"A simple, hiking-focused technical day pack design, the Osprey Sportlite 25 Backpack makes it easy to hit the trail with confidence. A simple design that still performs on the trail, this comfortable backpack's AirScape suspension system moves with you dynamically to help you carry a full load with stability and ventilated comfort. This system combines a ridged Atilon foam framesheet with center air channel and mesh cover, ventilated EVA shoulder straps with spacer mesh, and ventilated EVA foam hipbelt with ErgoPull closure to maximize comfort. A panel-loading design with 1,526 cu. in. of storage, this pack sports lower V-compression straps and quick-release upper compression straps to keep the load inside the pack stable and secure. A versatile pack, the Sportlite also offers a zip middle compartment with mesh organization pockets, a front zip pocket with key clip, and a front stretch compression pocket for easy access storage. Pack also features stretch water bottle pockets on the side, trekking pole loops, blinky light attachment, adjustable sternum strap with rescue whistle, and a direct access external hydration sleeve. Made of a bluesign-approved recycled, high-tenacity, 100-denier nylon bird eye with DWR treatments, this easy-carrying pack features a rugged, bluesign-approved, recycled 420-denier nylon bottom with DWR treatments. Hiking-focused technical day pack 1,526 cu. in. of storage Advanced AirScape suspension system Ridged Atilon foam framesheet - center air channel and mesh cover Ventilated EVA shoulder straps with spacer mesh Ventilated EVA foam hipbelt - ErgoPull closure Lower V-compression straps and quick-release upper compression straps Panel-loading design Zip middle compartment with mesh organization pockets Front zip pocket with key clip Front stretch compression pocket Made of recycled nylon with DWR treatmentsSpecs: S/M: fits 15-19"" torso; 19.29""H x 11.8""W x 9.45""D; 1.65 lbs. M/L: fits 18-22"" torso; 20.87""H x 11.8""W x 9.45""D; 1.74 lbs."