The medium hiking backpack Sirrus 36 is the perfect choice when day trips become more adventurous undertakings.
The fixed-lid toploader packs easily in a snap. And with the highly breathable AirSpeed back system and just enough volume for bigger challenges, it’ll inspire you to long days in the wilderness and minimalist nights out – on any terrain and in any weather. Made from recycled materials.
Features of the Osprey Sirrus 36 Backpack
- Includes rain cover made from bluesign-certified materials with PFC-/PFAS-free DWR impregnation
- Front compartment with zipper
- Two zippered compartments on hip belt
- Side bottle holders made of elastic mesh
- Internal hydration bladder compartment with tube opening in back panel
- Stow-on-the-Go attachment for trekking poles with new, extra soft loops
- Compression straps on both sides
- Ice axe holder with elastic loops
- Lashing loops on the front for attaching additional equipment
- Toploader with cord closure for secure closure
- Fixed lid with large main compartment and zippered mesh pocket with key clip underneath
- Side hidden vertical zipper access to main compartment for quick access to gear
- Zippered bottom compartment with floating divider for optimal organization and access to gear
- Straps on lower front for handy attachment of sleeping pads or blankets
Injection molded back system with 3D stretched mesh for breathable comfort.
A taller, wider frame combined with a tailored adjustment system offers an even more customized fit.
Made from sustainable materials with the bluesign seal.



















































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