Osprey Sirrus 34 Backpack

For day hikes where you need to prepare for anything and pack accordingly, the higher-volume Sirrus 34 makes for a rugged choice. Its sustainably produced panel-loading design makes organizing and packing your hiking gear convenient, while its AirSpeed® suspension system, tailored for women's-specific fit, keeps everything feeling light and breezy, no matter where the trail takes you. Plus, should the forecast call for rain, carry on with confidence using the included raincover.

AIRSPEED® VENTILATION

Injection-molded suspension system w/ 3D-tensioned mesh provides breathable support.

COMPREHENSIVE FIT

Taller, wider frame geometry combines with tailored adjustment system to extend fit range.

INCLUDED RAINCOVER

Made with sustainable bluesign® approved materials.

Included raincover made with PFC/PFAS-free DWR and bluesign® approved materials
Zippered front stash pocket
Dual zippered hipbelt pockets
Side stretch mesh bottle pockets
Internal hydration sleeve with hose port in backpanel
Stow-on-the-Go trekking pole attachment with new soft-touch tubes
Dual side compression straps
Single ice axe loop with bungee tie-offs
Front panel lash loops for attaching extra gear
Panel loading design with a burly #10 zipper delivering wide access to main compartment
Zippered access lower compartment with a floating liner keeps contents more organized and accessible
Zippered mesh pocket with key clip at the top of the pack provides easy access to important items
Zippered pocket on top of the front panel offers a spot for sunglasses or other delicates
Accessory straps on lower front panel are perfect for pads or blankets

AIRSPEED® SUSPENSION

Injection-molded ladder adjustment system provides 4" of torso adjustability
O/S per gender design delivers great fit and allows for quick, easy adjustment
Taller, wider 4 mm powder coated LightWire frame enhances fit range

AIRSPEED® BACKPANEL

3D-tensioned breathable mesh backpanel ensures supportive fit
New design increases ventilated area up to 40% over our previous design
New yoke design ensures consistent fit at any setting

HARNESS

Highly ventilated die-cut EVA foam is wrapped in wide spacer mesh for outstanding comfort in all weather conditions
Adjustable sternum strap with rescue whistle

HIPBELT

Ventilated die-cut EVA foam is covered in wide spacer mesh for outstanding comfort in all weather conditions
Large zippered pockets provide secure access to small essentials on the trail
ErgoPull closure provides leverage to ensure snug fit and optimal load transfer