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Osprey 4.9
Sirrus 36L
QUICK SPECS
Weight 50.5 oz
Capacity 36 L
$240 at Amazon
COMPETITIVE CONTEXT
How It Stacks Up
(of 83 backpacks)
Weight 50.5 oz 37% lighter
Capacity 36 L 13% larger
Price $240 62% cheaper
Max Load 30 lbs 13% stronger
BEST FOR
Who Is This For?
Weekend Warrior
36L is the sweet spot for 2-3 night trips without overpacking.
CONTENT
Featured In Our Guides
SPECIFICATIONS
Full Specifications
Features
Rain Cover Included
True
Hydration Compatible
True
Access Type
Top-Loading
Hipbelt Pockets
2
Max Carry Weight
30 lbs lbs
Fit
Torso Range
16-20 in
Hipbelt Range
26-48 in
Gender
Women'S
Weight
Weight
50.5 oz oz
Construction
Frame Type
Internal
Main Fabric
Recycled Nylon Ripstop (Nylon)
Dimensions
Capacity
36 L L
Hover over a spec name to learn what it means. Suggest a correction
EVIDENCE
What Reviewers Say
4.9
out of 5
REVIEWS
All Reviews
CATEGORY
View all 83 backpacks → Similar Backpacks
RETAILERS
Prices updated Apr 8, 2026 Where to Buy
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