The Osprey Sirrus 44 is a highly ventilated women’s hiking pack built for serious day hikes and lightweight overnight adventures. Featuring Osprey’s proven AirSpeed™ suspension system, it delivers exceptional airflow and “cloudlike” carrying comfort, even on demanding terrain.
Designed with an adjustable women’s-specific fit, the Sirrus 44 balances load support and ventilation while offering a smart, top-loading layout for efficient packing. A hidden side-zip entry provides quick access to your gear, while a separate lower compartment keeps essentials organised and within reach.
With thoughtful pocketing throughout, integrated trekking pole carry, and an included raincover, this pack is ready for changing conditions and extended days on the trail. Built with durable, bluesign®-approved recycled materials, it combines performance, sustainability, and comfort in one versatile hiking solution.
FEATURES:
- Top-loading main compartment with cinch closure and top lid
- Fixed top lid with large compartment and underlid zippered pocket with key clip
- Hidden side-zip secondary access to main compartment
- Large, hidden side-zip pocket for additional storage
- Zippered bottom access to separate, collapsible compartment
- Removable sleeping pad/accessory straps
- Included raincover stores in pocket at base of pack
- Large, vertical-zip front stash pocket is perfect for extra layers
- Two zippered hipbelt pockets keep snacks, phone or other small items handy
- Stretch side pockets carry water bottles or other quick-access items
- Internal sleeve with hose routing port and Hydraclip for easily hanging hydration reservoir
- Upper and lower side compression straps stabilize load
- Adjustable sternum strap with safety whistle
- Stow-on-the-Go trekking pole attachment
- Ice tool loop with bungee tie-off
- Front panel lash loops for attaching extra gear
CARRY INFORMATION:
AirSpeed™ Suspension: Supportive mesh trampoline backpanel provides excellent ventilation LightWire peripheral frame tensions backpanel mesh and creates load support structure
Harness: Padded, full-yoke harness featuring edgeless design, die-cut airflow channels and breathable spacermesh contact surfaces Load lifters balance upper pack for optimal weight distribution Adjustable sternum strap with magnetic closure, safety whistle and magnetic bite valve attachment
Hipbelt: Mesh-covered, padded hipbelt integrates seamlessly into the mesh backpanel for ultimate comfort Crossbody ErgoPull hipbelt system ensures snug fit for optimal load transfer
SPECIFICATIONS:
| LOAD RANGE | 7 - 16 kg | |
| ONE SIZE | ||
|---|---|---|
| VOLUME | 2685 IN 3 / 44 L | |
| DIMENSIONS | 73H X 34W X 34D CM | |
| WEIGHT | 1.6 KG | |
FABRIC:
MAIN: bluesign® APPROVED, 100% recycled 100D X 210D nylon w/ honeycomb ripstop, DWR treatment made without PFAS
LINING: bluesign® APPROVED, 100% recycled 210D nylon, DWR treatment made without PFAS
BOTTOM: bluesign® APPROVED, 100% recycled 420D nylon, DWR treatment made without PFAS
MESH: Backpanel, Harness & Hipbelt Mesh: bluesign® APPROVED, 100% recycled polyester