Stratos | Sirrus Series

Stratos | Sirrus Series
Backpacking | Day Hiking
The Osprey Stratos & Sirrus Series span a large range or carrying capacities. The larger models are ideal for light overnight trips; the smaller packs perfect for day hikes. Every model features Airspeed™ Suspension and an integrated raincover.
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Key Attributes
Airspeed Suspension

The tensioned back panel is made of lightweight mesh to suspend the load off of your back for maximum comfort and ventilation.

Integrated Raincover

An integrated and removable raincover protects your gear from foul weather. It stows away in its own external pocket at the bottom of the pack

Carry Information
Airspeed™ Suspension Backpanel

  • LightWire™ alloy frame creates low profile air space optimizing pack balance and ventilation
  • 3D tensioned breathable mesh backpanel ensures supportive fit

Spacer Mesh Harness

  • Sewn-in spacer mesh
  • Webbing adjustable sternum strap with whistle buckle
  • Mesh covered ventilated die cut foam

Spacer Mesh Sewn-in Hipbelt

  • Zippered stretch mesh hipbelt pockets
  • ErgoPull™ hipbelt closure

Stratos | Sirrus Product Video