This versatile backpack is designed to make your day hikes a breeze. The Airspeed ventilation system keeps you cool and comfortable, while the comprehensive fit adapts to your body for a personalized carry. With thoughtful pockets and storage, you can keep your essentials close at hand. Plus, the included raincover made from sustainable materials protects your gear from the elements. Conquer new trails and push your limits with the Osprey Sirrus 36.

• Included raincover made with PFC/PFAS-free DWR and bluesign approved materials
• Zippered front stash pocket and dual hipbelt pockets for easy access
• Breathable Airspeed ventilation system with 3D-tensioned mesh
• Comprehensive fit with a taller, wider frame and tailored adjustment system

Key Attributes:

• 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.

Carry Information:

• 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

Fabric:

• Main: bluesign approved 210D recycled honey comb nylon, PFC/PFAS-free DWR
• Lining: bluesign approved 420D recycled nylon, PFC/PFAS-free DWR
• Bottom: bluesign approved 420D recycled nylon, PFC/PFAS-free DWR

Specifications:

• Load Range: 15-30 lbs
• Volume: 2197 in³
• Dimensions: 26.77H X 14.57W X 10.63D in
• Weight: 3.155 lbs