The slimmed-down Osprey Sirrus 24 pack is built for light day travel on tough terrain with a women-specific fit, load-distributing suspension system and plenty of organizational features. AirSpeed® ventilated suspension system distributes load weight and offers a supportive fit mile after mile Pack is made of recycled nylon with a PFC/PFAS-free durable water repellent (DWR) coating to help water bead up on the surface Panel-loading design with a burly zipper provides wide access to the main compartment Internal hydration reservoir sleeve with back panel hose port gives you easy access to your water supply (reservoir not included) Stow-on-the-Go trekking pole attachment with soft-touch tubes lets you quickly stow your poles whenever you need your hands free Dual side compression straps help tighten your load Includes an integrated, waterproof raincover with a PFC/PFAS-free DWR coating Raincover is made with bluesign®-approved material Easy-access, top-zip storage pocket; zippered mesh pocket with key clip Front-zip stash pocket; front panel storage pocket; zippered hipbelt pockets; stretch-mesh side pockets Front panel lash loops secure extra gear Ice axe loop with bungee tie-offs