You take your hiking seriously, and like to stretch your day hikes into lightweight overnights more often than not. The Sirrus 44 is a full-featured women's-specific pack built for rugged trails, rain or shine, with serious features and a top-loading design so you can easily stuff and go. It's a technical pack with a cloudlike carry, thanks to its highly ventilated AirSpeed® suspension system. Made with 100% recycled materials.

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
Top loading design with a secure drawcord closure
Fixed top lid with large main compartment and underlid zippered mesh pocket with key clip
Hidden vertical side zip access into main compartment for quick access to contents
Zippered access lower compartment with a floating liner keeps contents organized and accessible
Accessory straps on lower front panel are perfect for pads or blankets
Hidden vertical zipper on left side of pack accesses a large pocket for additional storage

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

Osprey Sirrus 44 Backpack