Osprey Sirrus 44 tunnel vision grey

With the new AirSpeed™ back system inspired by AntiGravity™ technology, the Osprey Sirrus 44 delivers superior comfort and ventilation. It has a wider, taller and sturdier one-size-fits-all frame designed specifically for the female figure, while the adjustable torso length further enhances wearing comfort. The ventilation system consists of 3D-stretched mesh, which provides excellent ventilation and back support even on longer hikes. The 44 litre backpack is made from durable recycled high-strength nylon bluesign® certified with eco-friendly PFC/PFAS-free DWR. It offers multiple entry options - through the top lid, side zipper or the lower compartment designed for a sleeping bag. Practical details include a top lid with two buckles and pockets, a zipped sleeping bag compartment, double zipped pockets on the waist belt, a Stow-on-the-Go™ system for attaching trekking poles and an integrated rain cover. The lid is securely fastened and includes a large main compartment and an inner mesh pocket with a key clip. Side access is provided by a hidden vertical zipper on the left side of the backpack. There is also an internal hydration sleeve with a hose port in the back panel. On the front there is a zipper pocket and several loops for attaching equipment. There are stretch side pockets for bottles, one axe loop with bungee attachment, two side compression straps and bottom straps for attaching a caravan or blanket. The total weight is 1600 g, the dimensions of the backpack are 69 × 37 × 29 cm and the maximum load capacity is 13 kg.