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Real review and comparison to help decide which backpack is worth your investment.
Don’t guess on gear. From intended use, carry-on, recycled materials & certified sustainable to hidden perks, these 127 specs on the Osprey Sirrus 24 might just make travel smoother.
A fast snapshot of the Osprey Sirrus 24, covering its standout specification and what you can expect right out of the box.
Osprey Sirrus 24
The Osprey Sirrus 24 is a ventilated backpack designed for comfort in warm conditions. It features an AirSpeed suspension system that enhances airflow. The structured design offers organized storage for day trips. Ideal for travelers seeking breathable performance.
Quick Specs Breakdown
The key specs that actually matter—no fluff, no guesswork
Here’s a streamlined view of the Osprey Sirrus 24 key specifications. Compare critical features at a glance before exploring the full specs and hands-on insights below.
General Information
Intended Use
What is the intended use?
Travel,Hiking,School
Product Type
What type of backpack is this?
Daypack
Gender Target
Who is this backpack designed for?
Women
Travel & Convenience Features
Carry-On
Is this backpack carry-on compatible?
Yes
Rain Cover
Is a rain cover included?
Yes
Lightweight Design
Is it lightweight?
Yes
Environmental & Sustainability
Recycled Materials
Are recycled materials used?
Yes
Certified Sustainable
Is it certified sustainable?
Yes
Eco-Friendly Fabric
Is the fabric eco-friendly?
Yes
PFC-Free Coating
Is it PFC-free coated?
Yes
Capacity & Storage
Number of Pockets
How many pockets does it have?
6
Dimensions
Width
What is the backpack’s width?
13.4 inch
Depth
What is the backpack’s depth?
9.4 inch
Height
What is the backpack’s height?
21.7 inch
Specifications & Facts
127
Specs measured. Drama avoided.
From baggage bins to beach escapes, the Osprey Sirrus 24 travel backpack has its pros and cons. We broke it down by specs, price, and how it compares to other travel backpacks.
When it comes to Number of Pockets,
Osprey Sirrus 24 ◉ is
worse than
Travel Backpack in this range ◉
, delivering
equal
45 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Number of Pockets on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Main Compartment Volume
What is the main compartment volume?
811.54
oz
0Votes
1,422.64
oz (Average)
Osprey Sirrus 24
The main compartment volume is 811.54 oz, approximately 22.98 liters. This indicates a moderate capacity suitable for day trips.
Volume of the main storage compartment.
When it comes to Main Compartment Volume,
Osprey Sirrus 24 ◉ is
worse than
Travel Backpack in this range ◉
, delivering
equal
611.1 oz
measurement.
Don’t keep it to yourself — be the first to react and review the
Main Compartment Volume on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Sunglasses/Accessory Pocket
Does it have a sunglasses/accessory pocket?
Yes
0Votes
Osprey Sirrus 24
Yes
Travel Backpacks in this range
Osprey Sirrus 24
The backpack offers a sunglasses or accessory pocket for quick access and protection.
Pocket for sunglasses or small accessories.
When it comes to Sunglasses/Accessory Pocket,
Osprey Sirrus 24 ◉ is
worse than
Travel Backpack in this range ◉
, delivering
equal
77 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Sunglasses/Accessory Pocket on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Document Sleeve
Is there a document sleeve?
Yes
0Votes
Osprey Sirrus 24
Yes
Travel Backpacks in this range
Osprey Sirrus 24
There's a document sleeve included, ideal for organizing papers and devices safely.
Dedicated sleeve for documents.
When it comes to Document Sleeve,
Osprey Sirrus 24 ◉ is
worse than
Travel Backpack in this range ◉
, delivering
equal
77 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Document Sleeve on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Key Holder Clip
Does it include a key holder clip?
Yes
0Votes
Osprey Sirrus 24
Yes
Travel Backpacks in this range
Osprey Sirrus 24
A key holder clip is included for secure and convenient key storage.
Clip for keys inside the bag.
When it comes to Key Holder Clip,
Osprey Sirrus 24 ◉ is
worse than
Travel Backpack in this range ◉
, delivering
equal
77 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Key Holder Clip on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Quick Grab Pocket
Is there a quick grab pocket?
Yes
0Votes
Osprey Sirrus 24
Yes
Travel Backpacks in this range
Osprey Sirrus 24
The quick grab pocket feature enables fast retrieval of essentials without unpacking the main compartment.
Pocket for items that need fast access.
When it comes to Quick Grab Pocket,
Osprey Sirrus 24 ◉ is
worse than
Travel Backpack in this range ◉
, delivering
equal
77 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Quick Grab Pocket on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Water Bottle Size Compatibility
What size water bottle fits?
32
oz
0Votes
30.32
oz (Average)
Osprey Sirrus 24
The water bottle size compatibility is 32 oz, which equals about 946 ml. This size accommodates standard large water bottles for hydration.
Maximum size of water bottles that fit in side pockets.
When it comes to Water Bottle Size Compatibility,
Osprey Sirrus 24 ◉ is
better than
Travel Backpack in this range ◉
, delivering
higher
1.7 oz
measurement.
Don’t keep it to yourself — be the first to react and review the
Water Bottle Size Compatibility on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Hydration Bladder
Is it compatible with a hydration bladder?
No
0Votes
Osprey Sirrus 24
Yes
Travel Backpacks in this range
Can hold a hydration bladder.
When it comes to Hydration Bladder,
Osprey Sirrus 24 ◉ is
worse than
Travel Backpack in this range ◉
.
Don’t keep it to yourself — be the first to react and review the
Hydration Bladder on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Side Pocket Type
What type of side pockets does it have?
0
Osprey Sirrus 24
0
Votes
Mesh
52
Travel Backpacks in this range
Mesh
Type of side pockets.
When it comes to Side Pocket Type,
Osprey Sirrus 24 ◉ is
worse than
Travel Backpack in this range ◉
, delivering
equal
52 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Side Pocket Type on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Front Pocket Type
What type of front pockets are included?
0
Osprey Sirrus 24
0
Votes
Zippered
78
Travel Backpacks in this range
Zippered
Type of front pockets.
When it comes to Front Pocket Type,
Osprey Sirrus 24 ◉ is
worse than
Travel Backpack in this range ◉
, delivering
equal
78 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Front Pocket Type on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Internal Organization Features
What internal organization features are available?
58
Travel Backpacks in this range
Dividers, Mesh Compartments, Organizer Panels
Internal organization options.
When it comes to Internal Organization Features,
Osprey Sirrus 24 ◉ is
worse than
Travel Backpack in this range ◉
, delivering
equal
58 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Internal Organization Features on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Expandable Storage
Does the backpack have expandable storage?
No
0Votes
Osprey Sirrus 24
Travel Backpack in this range
Who knows?
(Help us out by suggesting one!)
Can the storage volume expand?
Don’t keep it to yourself — be the first to react and review the
Expandable Storage on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Compression Straps
Are there compression straps?
Yes
0Votes
Osprey Sirrus 24
Yes
Travel Backpacks in this range
Straps to compress load.
When it comes to Compression Straps,
Osprey Sirrus 24 ◉ is
worse than
Travel Backpack in this range ◉
, delivering
equal
72 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Compression Straps on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Bottle Holder
Is there a bottle holder?
Yes
0Votes
Osprey Sirrus 24
Yes
Travel Backpacks in this range
Dedicated holder for water bottles.
When it comes to Bottle Holder,
Osprey Sirrus 24 ◉ is
worse than
Travel Backpack in this range ◉
, delivering
equal
76 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Bottle Holder on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Hidden Pockets
Are there hidden pockets?
No
0Votes
Osprey Sirrus 24
Yes
Travel Backpacks in this range
Concealed pockets for valuables.
When it comes to Hidden Pockets,
Osprey Sirrus 24 ◉ is
worse than
Travel Backpack in this range ◉
.
Don’t keep it to yourself — be the first to react and review the
Hidden Pockets on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Mesh Compartments
Are there mesh compartments?
Yes
0Votes
Osprey Sirrus 24
Yes
Travel Backpacks in this range
Mesh pockets inside for visibility.
When it comes to Mesh Compartments,
Osprey Sirrus 24 ◉ is
worse than
Travel Backpack in this range ◉
, delivering
equal
78 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Mesh Compartments on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Organizer Panels
Are there organizer panels?
Yes
0Votes
Osprey Sirrus 24
Yes
Travel Backpacks in this range
Panels for better internal organization.
When it comes to Organizer Panels,
Osprey Sirrus 24 ◉ is
worse than
Travel Backpack in this range ◉
, delivering
equal
76 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Organizer Panels on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Fold-Out Access Panel
Does it have a fold-out access panel?
No
0Votes
Osprey Sirrus 24
Yes
Travel Backpacks in this range
Panel that opens fully for easy packing.
When it comes to Fold-Out Access Panel,
Osprey Sirrus 24 ◉ is
worse than
Travel Backpack in this range ◉
.
Don’t keep it to yourself — be the first to react and review the
Fold-Out Access Panel on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Shoe Compartment
Is there a shoe compartment?
No
0Votes
Osprey Sirrus 24
Travel Backpack in this range
Who knows?
(Help us out by suggesting one!)
Separate compartment for shoes.
Don’t keep it to yourself — be the first to react and review the
Shoe Compartment on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Packing Cubes
Is it compatible with packing cubes?
No
0Votes
Osprey Sirrus 24
Yes
Travel Backpacks in this range
Can fit packing cubes inside.
When it comes to Packing Cubes,
Osprey Sirrus 24 ◉ is
worse than
Travel Backpack in this range ◉
.
Don’t keep it to yourself — be the first to react and review the
Packing Cubes on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Hydration Tube Routing
Does it support hydration tube routing?
Yes
0Votes
Osprey Sirrus 24
Yes
Travel Backpacks in this range
Dedicated path for hydration bladder tube.
When it comes to Hydration Tube Routing,
Osprey Sirrus 24 ◉ is
worse than
Travel Backpack in this range ◉
, delivering
equal
64 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Hydration Tube Routing on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Expandable Front Pocket
Is the front pocket expandable?
No
0Votes
Osprey Sirrus 24
Travel Backpack in this range
Who knows?
(Help us out by suggesting one!)
Front pocket that can expand for extra storage.
Don’t keep it to yourself — be the first to react and review the
Expandable Front Pocket on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Internal Divider Panels
Are there internal divider panels?
No
0Votes
Osprey Sirrus 24
Yes
Travel Backpacks in this range
Dividers inside main compartment for organization.
When it comes to Internal Divider Panels,
Osprey Sirrus 24 ◉ is
worse than
Travel Backpack in this range ◉
.
Don’t keep it to yourself — be the first to react and review the
Internal Divider Panels on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Document Organizer Panel
Is there a document organizer panel?
No
0Votes
Osprey Sirrus 24
Yes
Travel Backpacks in this range
Panel to organize documents like passports and tickets.
When it comes to Document Organizer Panel,
Osprey Sirrus 24 ◉ is
worse than
Travel Backpack in this range ◉
.
Don’t keep it to yourself — be the first to react and review the
Document Organizer Panel on Osprey Sirrus 24
◉ and help others decide!
When it comes to Height,
Osprey Sirrus 24 ◉ is
better than
Travel Backpack in this range ◉
, delivering
higher
2.8 inch
measurement.
Don’t keep it to yourself — be the first to react and review the
Height on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Base Depth
What is the base depth?
9.4
inch
0Votes
7.47
inch (Average)
Osprey Sirrus 24
The base depth is 9.4 inch which converts to approximately 23.88 cm. This measurement indicates the thickness of the backpack's bottom section.
Depth of the backpack’s base.
When it comes to Base Depth,
Osprey Sirrus 24 ◉ is
better than
Travel Backpack in this range ◉
, delivering
higher
1.9 inch
measurement.
Don’t keep it to yourself — be the first to react and review the
Base Depth on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Hip Belt Length
What is the hip belt length?
50
inch
0Votes
25.15
inch (Average)
Osprey Sirrus 24
Hip belt length is 50 inch, roughly 127 cm, providing adjustable fit for comfort.
Maximum length of hip belt.
When it comes to Hip Belt Length,
Osprey Sirrus 24 ◉ is
better than
Travel Backpack in this range ◉
, delivering
higher
24.9 inch
measurement.
Don’t keep it to yourself — be the first to react and review the
Hip Belt Length on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Base Width
What is the base width?
13.4
inch
0Votes
11.82
inch (Average)
Width of the backpack’s base.
When it comes to Base Width,
Osprey Sirrus 24 ◉ is
better than
Travel Backpack in this range ◉
, delivering
higher
1.6 inch
measurement.
Don’t keep it to yourself — be the first to react and review the
Base Width on Osprey Sirrus 24
◉ and help others decide!
Material & Durability
15
Osprey Sirrus 24
Water Resistance
Is the backpack water-resistant?
Yes
0Votes
Osprey Sirrus 24
Yes
Travel Backpacks in this range
Osprey Sirrus 24
Water resistance is present, which helps the backpack repel moisture and light rain.
Ability to resist water penetration.
When it comes to Water Resistance,
Osprey Sirrus 24 ◉ is
worse than
Travel Backpack in this range ◉
, delivering
equal
78 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Water Resistance on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Ripstop Reinforcement
Does it include ripstop reinforcement?
Yes
0Votes
Osprey Sirrus 24
Yes
Travel Backpacks in this range
Osprey Sirrus 24
The backpack includes ripstop reinforcement, which helps prevent tears from spreading and increases durability.
Reinforced fabric to prevent tearing.
When it comes to Ripstop Reinforcement,
Osprey Sirrus 24 ◉ is
worse than
Travel Backpack in this range ◉
, delivering
equal
67 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Ripstop Reinforcement on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Buckle Material
What material are the buckles made of?
0
Osprey Sirrus 24
0
Votes
Plastic
53
Travel Backpacks in this range
Plastic
Osprey Sirrus 24
Plastic is used for buckle materials, providing lightweight and durable fastening points.
Material of buckles and clips.
When it comes to Buckle Material,
Osprey Sirrus 24 ◉ is
worse than
Travel Backpack in this range ◉
, delivering
equal
53 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Buckle Material on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Coating Type
What coating is applied?
0
Osprey Sirrus 24
0
Votes
PU
53
Travel Backpacks in this range
PU
Osprey Sirrus 24
Polyurethane (PU) coating is used, which provides water resistance and durability.
Type of water/abrasion coating.
When it comes to Coating Type,
Osprey Sirrus 24 ◉ is
worse than
Travel Backpack in this range ◉
, delivering
equal
53 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Coating Type on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Tear Test Rating
What is the tear test rating?
0
Osprey Sirrus 24
0
Votes
High
53
Travel Backpacks in this range
High
Osprey Sirrus 24
The tear test rating is marked as High, indicating strong resistance to tearing in materials and construction.
Fabric’s resistance to tearing under stress.
When it comes to Tear Test Rating,
Osprey Sirrus 24 ◉ is
worse than
Travel Backpack in this range ◉
, delivering
equal
53 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Tear Test Rating on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Fabric Type
What fabric is the backpack made of?
0
Osprey Sirrus 24
0
Votes
Nylon
57
Travel Backpacks in this range
Nylon
Primary fabric material.
When it comes to Fabric Type,
Osprey Sirrus 24 ◉ is
worse than
Travel Backpack in this range ◉
, delivering
equal
57 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Fabric Type on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Zipper Quality
What type of zippers are used?
0
Osprey Sirrus 24
0
Votes
YKK
54
Travel Backpacks in this range
YKK
Type and quality of zippers used.
When it comes to Zipper Quality,
Osprey Sirrus 24 ◉ is
worse than
Travel Backpack in this range ◉
, delivering
equal
54 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Zipper Quality on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Abrasion Resistance
What is the abrasion resistance?
0
Osprey Sirrus 24
0
Votes
High
61
Travel Backpacks in this range
High
Describes how resistant the backpack fabric is to surface wear.
When it comes to Abrasion Resistance,
Osprey Sirrus 24 ◉ is
worse than
Travel Backpack in this range ◉
, delivering
equal
61 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Abrasion Resistance on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Reinforced Base
Is the base reinforced?
Yes
0Votes
Osprey Sirrus 24
Yes
Travel Backpacks in this range
Extra reinforcement at the bottom.
When it comes to Reinforced Base,
Osprey Sirrus 24 ◉ is
worse than
Travel Backpack in this range ◉
, delivering
equal
77 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Reinforced Base on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Stitching Type
What stitching type is used?
0
Osprey Sirrus 24
0
Votes
Reinforced Stitch
69
Travel Backpacks in this range
Reinforced Stitch
Type of stitching for durability.
When it comes to Stitching Type,
Osprey Sirrus 24 ◉ is
worse than
Travel Backpack in this range ◉
, delivering
equal
69 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Stitching Type on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
UV Resistance
Is the backpack UV-resistant?
Yes
0Votes
Osprey Sirrus 24
Yes
Travel Backpacks in this range
Resistance to sun and UV degradation.
When it comes to UV Resistance,
Osprey Sirrus 24 ◉ is
worse than
Travel Backpack in this range ◉
, delivering
equal
71 score
measurement.
Don’t keep it to yourself — be the first to react and review the
UV Resistance on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Seam Sealing
Are seams sealed?
No
0Votes
Osprey Sirrus 24
Travel Backpack in this range
Who knows?
(Help us out by suggesting one!)
Seams sealed for water protection.
Don’t keep it to yourself — be the first to react and review the
Seam Sealing on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Abrasion Test Rating
What is the abrasion test rating?
0
Osprey Sirrus 24
0
Votes
High
61
Travel Backpacks in this range
High
Fabric surface resistance to abrasion, categorized.
When it comes to Abrasion Test Rating,
Osprey Sirrus 24 ◉ is
worse than
Travel Backpack in this range ◉
, delivering
equal
61 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Abrasion Test Rating on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Zipper Pull Type
What type of zipper pull is used?
0
Osprey Sirrus 24
0
Votes
Plastic
33
Travel Backpacks in this range
Standard
Type of zipper pull used.
When it comes to Zipper Pull Type,
Osprey Sirrus 24 ◉ is
worse than
Travel Backpack in this range ◉
, delivering
equal
33 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Zipper Pull Type on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Fabric Denier
What is the fabric denier?
0
Osprey Sirrus 24
0
Votes
210D
41
Travel Backpacks in this range
600D
Indicates thickness/strength of nylon or polyester fabric.
When it comes to Fabric Denier,
Osprey Sirrus 24 ◉ is
worse than
Travel Backpack in this range ◉
, delivering
equal
41 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Fabric Denier on Osprey Sirrus 24
◉ and help others decide!
Comfort & Ergonomics
16
Osprey Sirrus 24
Carry Handle Type
What type of carry handle does it have?
0
Osprey Sirrus 24
0
Votes
Padded
48
Travel Backpacks in this range
Padded
Osprey Sirrus 24
The carry handle type is padded, increasing comfort when carrying by hand.
Type of top carry handle.
When it comes to Carry Handle Type,
Osprey Sirrus 24 ◉ is
worse than
Travel Backpack in this range ◉
, delivering
equal
48 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Carry Handle Type on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Mesh Back Panel
Is there a mesh back panel?
Yes
0Votes
Osprey Sirrus 24
Yes
Travel Backpacks in this range
Osprey Sirrus 24
A mesh back panel improves ventilation and reduces sweating for wearer comfort.
Mesh material for airflow on back.
When it comes to Mesh Back Panel,
Osprey Sirrus 24 ◉ is
worse than
Travel Backpack in this range ◉
, delivering
equal
66 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Mesh Back Panel on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Ergonomic Back Shape
Is the back ergonomic?
Yes
0Votes
Osprey Sirrus 24
Yes
Travel Backpacks in this range
Osprey Sirrus 24
An ergonomic back shape is featured, designed for comfort and support during prolonged use.
Contoured back panel for ergonomics.
When it comes to Ergonomic Back Shape,
Osprey Sirrus 24 ◉ is
worse than
Travel Backpack in this range ◉
, delivering
equal
76 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Ergonomic Back Shape on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Lumbar Support
Is there lumbar support?
Yes
0Votes
Osprey Sirrus 24
Yes
Travel Backpacks in this range
Osprey Sirrus 24
Lumbar support is incorporated to reduce lower back strain on long hikes.
Additional support for lower back.
When it comes to Lumbar Support,
Osprey Sirrus 24 ◉ is
worse than
Travel Backpack in this range ◉
, delivering
equal
60 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Lumbar Support on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Anti-Slip Shoulder Straps
Are shoulder straps anti-slip?
Yes
0Votes
Osprey Sirrus 24
Travel Backpack in this range
Who knows?
(Help us out by suggesting one!)
Osprey Sirrus 24
The backpack has anti-slip shoulder straps, improving stability and comfort during wear.
Straps resist slipping off shoulders.
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Anti-Slip Shoulder Straps on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Hip Belt Pockets
Are there hip belt pockets?
Yes
0Votes
Osprey Sirrus 24
Travel Backpack in this range
Who knows?
(Help us out by suggesting one!)
Osprey Sirrus 24
Hip belt pockets enable easy access to essentials without removing the pack.
Pockets included on the hip belt.
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Hip Belt Pockets on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Ventilation System
Is there a ventilation system?
Yes
0Votes
Osprey Sirrus 24
Yes
Travel Backpacks in this range
Mesh or airflow design for back ventilation.
When it comes to Ventilation System,
Osprey Sirrus 24 ◉ is
worse than
Travel Backpack in this range ◉
, delivering
equal
66 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Ventilation System on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Weight Distribution
How is the weight distributed?
0
Osprey Sirrus 24
0
Votes
Even
87
Travel Backpacks in this range
Even
How the backpack distributes weight.
When it comes to Weight Distribution,
Osprey Sirrus 24 ◉ is
worse than
Travel Backpack in this range ◉
, delivering
equal
87 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Weight Distribution on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Adjustable Straps
Are the straps adjustable?
Yes
0Votes
Osprey Sirrus 24
Yes
Travel Backpacks in this range
Can the shoulder straps be adjusted for fit?
When it comes to Adjustable Straps,
Osprey Sirrus 24 ◉ is
worse than
Travel Backpack in this range ◉
, delivering
equal
78 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Adjustable Straps on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Shoulder Strap Padding
Are shoulder straps padded?
Yes
0Votes
Osprey Sirrus 24
Yes
Travel Backpacks in this range
Padding thickness in shoulder straps.
When it comes to Shoulder Strap Padding,
Osprey Sirrus 24 ◉ is
worse than
Travel Backpack in this range ◉
, delivering
equal
77 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Shoulder Strap Padding on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Back Panel Padding
Is the back panel padded?
Yes
0Votes
Osprey Sirrus 24
Yes
Travel Backpacks in this range
Padding on the back panel for support.
When it comes to Back Panel Padding,
Osprey Sirrus 24 ◉ is
worse than
Travel Backpack in this range ◉
, delivering
equal
77 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Back Panel Padding on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Hip Belt
Does it include a hip belt?
Yes
0Votes
Osprey Sirrus 24
Travel Backpack in this range
Who knows?
(Help us out by suggesting one!)
Provides hip support to reduce shoulder load.
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Hip Belt on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Sternum Strap
Is there a sternum strap?
Yes
0Votes
Osprey Sirrus 24
Yes
Travel Backpacks in this range
Strap across chest for stability.
When it comes to Sternum Strap,
Osprey Sirrus 24 ◉ is
worse than
Travel Backpack in this range ◉
, delivering
equal
68 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Sternum Strap on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Load Adjustment System
Does it have load adjustment?
Yes
0Votes
Osprey Sirrus 24
Yes
Travel Backpacks in this range
System to adjust backpack weight distribution.
When it comes to Load Adjustment System,
Osprey Sirrus 24 ◉ is
worse than
Travel Backpack in this range ◉
, delivering
equal
60 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Load Adjustment System on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Shoulder Strap Width
What is the shoulder strap width?
2.5
inch
0Votes
2.4
inch (Average)
Width of shoulder straps.
When it comes to Shoulder Strap Width,
Osprey Sirrus 24 ◉ is
better than
Travel Backpack in this range ◉
, delivering
higher
0.1 inch
measurement.
Don’t keep it to yourself — be the first to react and review the
Shoulder Strap Width on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Shoulder Strap Attachment Points
How many shoulder strap attachment points are there?
0
Osprey Sirrus 24
0
Votes
Daisy Chains
23
Travel Backpacks in this range
2
Number of points where shoulder straps attach to the backpack.
When it comes to Shoulder Strap Attachment Points,
Osprey Sirrus 24 ◉ is
worse than
Travel Backpack in this range ◉
, delivering
equal
23 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Shoulder Strap Attachment Points on Osprey Sirrus 24
◉ and help others decide!
Security & Safety
10
Osprey Sirrus 24
Whistle Buckle
Is there a whistle buckle?
Yes
0Votes
Osprey Sirrus 24
Travel Backpack in this range
Who knows?
(Help us out by suggesting one!)
Osprey Sirrus 24
The whistle buckle integrates a safety whistle for emergency signaling.
Emergency whistle integrated into buckle.
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Whistle Buckle on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Lockable Zippers
Are the zippers lockable?
No
0Votes
Osprey Sirrus 24
Travel Backpack in this range
Who knows?
(Help us out by suggesting one!)
Zippers can be secured with a lock.
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Lockable Zippers on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
RFID Protection
Does it include RFID protection?
No
0Votes
Osprey Sirrus 24
Travel Backpack in this range
Who knows?
(Help us out by suggesting one!)
Blocks RFID scanning to protect cards.
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RFID Protection on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Reflective Elements
Are there reflective elements?
No
0Votes
Osprey Sirrus 24
Travel Backpack in this range
Who knows?
(Help us out by suggesting one!)
Reflective strips or logos for visibility.
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Reflective Elements on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Anti-Theft Compartments
Are there anti-theft compartments?
No
0Votes
Osprey Sirrus 24
Travel Backpack in this range
Who knows?
(Help us out by suggesting one!)
Hidden or secure compartments to deter theft.
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Anti-Theft Compartments on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Safety Straps
Are there safety straps?
Yes
0Votes
Osprey Sirrus 24
Travel Backpack in this range
Who knows?
(Help us out by suggesting one!)
Straps to secure backpack to body.
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Safety Straps on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Hidden Zippers
Are there hidden zippers?
No
0Votes
Osprey Sirrus 24
Travel Backpack in this range
Who knows?
(Help us out by suggesting one!)
Zippers concealed from easy access.
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Hidden Zippers on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Security Cable Loops
Are there security cable loops?
No
0Votes
Osprey Sirrus 24
Travel Backpack in this range
Who knows?
(Help us out by suggesting one!)
Loops to attach locks or cables.
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Security Cable Loops on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Tamper-Proof Zippers
Are the zippers tamper-proof?
No
0Votes
Osprey Sirrus 24
Travel Backpack in this range
Who knows?
(Help us out by suggesting one!)
Zippers designed to prevent tampering.
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Tamper-Proof Zippers on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Safety Lights Attachment
Can safety lights be attached?
No
0Votes
Osprey Sirrus 24
Travel Backpack in this range
Who knows?
(Help us out by suggesting one!)
Point to attach safety lights.
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Safety Lights Attachment on Osprey Sirrus 24
◉ and help others decide!
Tech & Compatibility
8
Osprey Sirrus 24
USB Charging Port
Is there a USB charging port?
No
0Votes
Osprey Sirrus 24
Travel Backpack in this range
Who knows?
(Help us out by suggesting one!)
Port to charge devices via USB.
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USB Charging Port on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Tech Pouch
Is there a tech pouch?
No
0Votes
Osprey Sirrus 24
Travel Backpack in this range
Who knows?
(Help us out by suggesting one!)
Small pouch for gadgets or cables.
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Tech Pouch on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Headphone Port
Is there a headphone port?
No
0Votes
Osprey Sirrus 24
Travel Backpack in this range
Who knows?
(Help us out by suggesting one!)
Port to route headphones externally.
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Headphone Port on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Cable Management Features
Are there cable management features?
No
0Votes
Osprey Sirrus 24
Travel Backpack in this range
Who knows?
(Help us out by suggesting one!)
Clips or compartments to organize cables.
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Cable Management Features on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Power Bank Pocket
Is there a power bank pocket?
No
0Votes
Osprey Sirrus 24
Travel Backpack in this range
Who knows?
(Help us out by suggesting one!)
Dedicated pocket for power banks.
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Power Bank Pocket on Osprey Sirrus 24
◉ and help others decide!
When it comes to Lightweight Design,
Osprey Sirrus 24 ◉ is
worse than
Travel Backpack in this range ◉
, delivering
equal
75 score
measurement.
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Lightweight Design on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Quick Access Pocket
Is there a quick access pocket?
Yes
0Votes
Osprey Sirrus 24
Yes
Travel Backpacks in this range
Osprey Sirrus 24
A quick access pocket is included, allowing for convenient storage of frequently used items.
Pocket for frequently used items.
When it comes to Quick Access Pocket,
Osprey Sirrus 24 ◉ is
worse than
Travel Backpack in this range ◉
, delivering
equal
77 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Quick Access Pocket on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Water-Resistant Bottom
Does it have a water-resistant bottom?
Yes
0Votes
Osprey Sirrus 24
Yes
Travel Backpacks in this range
Osprey Sirrus 24
Water-resistant bottom adds protection against damp surfaces and increases durability.
Bottom fabric resists water and dirt.
When it comes to Water-Resistant Bottom,
Osprey Sirrus 24 ◉ is
worse than
Travel Backpack in this range ◉
, delivering
equal
74 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Water-Resistant Bottom on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Luggage Strap
Is there a luggage strap?
No
0Votes
Osprey Sirrus 24
Yes
Travel Backpacks in this range
Strap to attach backpack to luggage handles.
When it comes to Luggage Strap,
Osprey Sirrus 24 ◉ is
worse than
Travel Backpack in this range ◉
.
Don’t keep it to yourself — be the first to react and review the
Luggage Strap on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Expandable Zippers
Are there expandable zippers?
Yes
0Votes
Osprey Sirrus 24
Travel Backpack in this range
Who knows?
(Help us out by suggesting one!)
Zippers expand storage when needed.
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Expandable Zippers on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Trolley Sleeve
Does it have a trolley sleeve?
No
0Votes
Osprey Sirrus 24
Yes
Travel Backpacks in this range
Sleeve to slide over rolling luggage handle.
When it comes to Trolley Sleeve,
Osprey Sirrus 24 ◉ is
worse than
Travel Backpack in this range ◉
.
Don’t keep it to yourself — be the first to react and review the
Trolley Sleeve on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Backpack Stand
Does it have a backpack stand?
No
0Votes
Osprey Sirrus 24
Travel Backpack in this range
Who knows?
(Help us out by suggesting one!)
Can stand upright on flat surfaces.
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Backpack Stand on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Detachable Daypack
Does it include a detachable daypack?
No
0Votes
Osprey Sirrus 24
Travel Backpack in this range
Who knows?
(Help us out by suggesting one!)
Small removable daypack included.
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Detachable Daypack on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Foldable
Is the backpack foldable?
No
0Votes
Osprey Sirrus 24
Travel Backpack in this range
Who knows?
(Help us out by suggesting one!)
Backpack can be folded for storage.
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Foldable on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Clip-On Accessories
Are clip-on accessories supported?
Yes
0Votes
Osprey Sirrus 24
Travel Backpack in this range
Who knows?
(Help us out by suggesting one!)
Points to attach accessories externally.
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Clip-On Accessories on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Travel Document Pocket
Is there a travel document pocket?
No
0Votes
Osprey Sirrus 24
Yes
Travel Backpacks in this range
Dedicated pocket for passports, tickets, etc.
When it comes to Travel Document Pocket,
Osprey Sirrus 24 ◉ is
worse than
Travel Backpack in this range ◉
.
Don’t keep it to yourself — be the first to react and review the
Travel Document Pocket on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Key Fob Holder
Is there a key fob holder?
Yes
0Votes
Osprey Sirrus 24
Yes
Travel Backpacks in this range
Hook for keys or key fobs.
When it comes to Key Fob Holder,
Osprey Sirrus 24 ◉ is
worse than
Travel Backpack in this range ◉
, delivering
equal
71 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Key Fob Holder on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Packing Cubes
Is it compatible with packing cubes?
No
0Votes
Osprey Sirrus 24
Yes
Travel Backpacks in this range
Can fit packing cubes inside.
When it comes to Packing Cubes,
Osprey Sirrus 24 ◉ is
worse than
Travel Backpack in this range ◉
.
Don’t keep it to yourself — be the first to react and review the
Packing Cubes on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Shoe Compartment
Is there a shoe compartment?
No
0Votes
Osprey Sirrus 24
Travel Backpack in this range
Who knows?
(Help us out by suggesting one!)
Separate compartment for shoes.
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Shoe Compartment on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Side Handle
Is there a side handle?
No
0Votes
Osprey Sirrus 24
Travel Backpack in this range
Who knows?
(Help us out by suggesting one!)
Additional handle on the side for lifting the backpack.
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Side Handle on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Compression Strap Lock
Does it have a compression strap lock?
No
0Votes
Osprey Sirrus 24
Travel Backpack in this range
Who knows?
(Help us out by suggesting one!)
Locking mechanism on compression straps for stability.
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Compression Strap Lock on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Detachable Rain Hood
Is there a detachable rain hood?
No
0Votes
Osprey Sirrus 24
Travel Backpack in this range
Who knows?
(Help us out by suggesting one!)
Rain cover that can be removed when not needed.
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Detachable Rain Hood on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Travel Lock
Is a travel lock included?
No
0Votes
Osprey Sirrus 24
Travel Backpack in this range
Who knows?
(Help us out by suggesting one!)
Built-in or included travel lock for zippers.
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Travel Lock on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Modular Attachment Points
Are there modular attachment points?
Yes
0Votes
Osprey Sirrus 24
Travel Backpack in this range
Who knows?
(Help us out by suggesting one!)
Points for adding modular accessories.
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Modular Attachment Points on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Backpack Expansion Zipper Type
What type of expansion zipper is used?
0
Osprey Sirrus 24
0
Votes
Standard
66
Travel Backpacks in this range
YKK
Type of zipper used for expansion compartments.
When it comes to Backpack Expansion Zipper Type,
Osprey Sirrus 24 ◉ is
worse than
Travel Backpack in this range ◉
, delivering
equal
66 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Backpack Expansion Zipper Type on Osprey Sirrus 24
◉ and help others decide!
Maintenance & Care
8
Osprey Sirrus 24
Quick Dry Material
Is the material quick-dry?
Yes
0Votes
Osprey Sirrus 24
Yes
Travel Backpacks in this range
Osprey Sirrus 24
Quick dry material aids in moisture management and accelerates drying times.
Fabric dries quickly after wetting.
When it comes to Quick Dry Material,
Osprey Sirrus 24 ◉ is
worse than
Travel Backpack in this range ◉
, delivering
equal
62 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Quick Dry Material on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Water Spot Repellent
Is it water-spot repellent?
Yes
0Votes
Osprey Sirrus 24
Yes
Travel Backpacks in this range
Osprey Sirrus 24
Water spot repellent treatment helps prevent water stains, keeping the backpack looking cleaner longer.
Surface repels water spots and light spills.
When it comes to Water Spot Repellent,
Osprey Sirrus 24 ◉ is
worse than
Travel Backpack in this range ◉
, delivering
equal
71 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Water Spot Repellent on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Machine Washable
Is the backpack machine washable?
No
0Votes
Osprey Sirrus 24
Travel Backpack in this range
Who knows?
(Help us out by suggesting one!)
Can be safely washed in a washing machine.
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Machine Washable on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Spot Clean Recommended
Is spot cleaning recommended?
Yes
0Votes
Osprey Sirrus 24
Yes
Travel Backpacks in this range
Can be cleaned with spot cleaning.
When it comes to Spot Clean Recommended,
Osprey Sirrus 24 ◉ is
worse than
Travel Backpack in this range ◉
, delivering
equal
77 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Spot Clean Recommended on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Odor Resistant
Is it odor-resistant?
No
0Votes
Osprey Sirrus 24
Travel Backpack in this range
Who knows?
(Help us out by suggesting one!)
Material resists developing odors.
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Odor Resistant on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Mold/Mildew Resistant
Is it mold/mildew resistant?
No
0Votes
Osprey Sirrus 24
Travel Backpack in this range
Who knows?
(Help us out by suggesting one!)
Resists mold and mildew growth.
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Mold/Mildew Resistant on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Stain Resistant
Is it stain-resistant?
No
0Votes
Osprey Sirrus 24
Yes
Travel Backpacks in this range
Material resists staining from spills.
When it comes to Stain Resistant,
Osprey Sirrus 24 ◉ is
worse than
Travel Backpack in this range ◉
.
Don’t keep it to yourself — be the first to react and review the
Stain Resistant on Osprey Sirrus 24
◉ and help others decide!
Osprey Sirrus 24
Anti-Fungal Treatment
Is there an anti-fungal treatment?
No
0Votes
Osprey Sirrus 24
Travel Backpack in this range
Who knows?
(Help us out by suggesting one!)
Material treated to resist fungal growth.
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Anti-Fungal Treatment on Osprey Sirrus 24
◉ and help others decide!
Supermod
