Osprey Sirrus 36 zaino da trekking donna - Purple Dusk

With a 36-litre capacity and the AirSpeed™ ventilated suspension system, the Osprey Sirrus 36 keeps you cool and comfortable on long treks. This women's-specific pack is built from recycled materials and loaded with trail-ready features.

Overview

The Sirrus 36 is a top-loading hiking backpack with a bottom zippered access point, making it easy to reach gear without unpacking everything. The LightWire™ peripheral alloy frame provides stable carry for loads up to 16 kg, while the adjustable torso length ensures a precise fit for a range of body types. An integrated raincover stows away when not in use, and the Stow-on-the-Go™ trekking pole attachment lets you stash poles without removing the pack.

What stands out

• AirSpeed™ ventilated backpanel with suspended mesh for maximum airflow
• Dual zippered hipbelt pockets keep snacks and small essentials within reach
• Made with GRS-certified recycled nylon and PFAS-free DWR treatment
• Integrated and detachable raincover for sudden downpours

Technical details

• Capacity: 36 L
• Recommended load: 7–16 kg (15–35 lbs)
• Main fabric: 210D nylon honeycomb recycled
• Accent/bottom fabric: 420HD nylon packcloth recycled
• Frame: LightWire™ peripheral alloy
• Hydration reservoir compatible (internal sleeve, up to 3L)
• Dual stretch mesh side pockets
• Dual upper and lower side compression straps
• Sternum strap with whistle
• Bluesign® approved materials

Our verdict

The Osprey Sirrus 36 is a thoughtfully engineered pack for women who demand comfort, organisation, and sustainability on the trail. Its ventilated suspension and recycled construction make it a standout choice for multi-day hikes.