Reinvented and now featuring Osprey's award winning AirSpeed suspension, the Women's Sirrus 24 offers unparalleled design and features in a ventilated pack that looks and carries great on any adventure.Available exclusively at Eastern Mountain Sports online and in select stores. Womens specific hipbelt and harness are designed with thoughtful angle changes and varying padding thickness to create a comfortable, anatomical fit. AirSpeed suspension incorporates a LightWire Alloy frame with a 3D tensioned breathable mesh backpanel to provide all day comfort, eliminate hot spots, and offer superb ventilation. Upper straps and InsideOut compression straps which can be routed externally or internally through the side pockets help secure your gear, minimize pack volume, and improve load stability. Small zippered pocket on the shoulder strap and two zippered mesh pockets on the hip belt keep small items easily accessible. Two mesh woven side pockets are ideal for stashing water bottles. Integrated rain cover will help keep your valuables safe and dry in any weather condition. Includes Stow on the Go trekking pole attachment and an ice axe loop to keep hands free and your tools safe and secure. Hydration compatible. Ideal for carrying loads up to 20 lb.