Designed to keep you light on your feet all day long, this durable hydration pack features a sustainable construction and comfortable Air Support back panel with a 2.5L Crux Reservoir and side cargo pockets to keep your supplies ready. The removable waist belt allows you to enjoy flexibility and adjustability along the trail. An extra exterior zip pocket secures smaller items like snacks for the long haul and a trekking pole attachment allows you to navigate difficult terrain. * Weight: 1lb 2oz * Dimensions: 18.11" x 10.24" x 9.06" * Sustainable nylon material with a durable design * Crux 2.5L Reservoir * Belt fit range: 26"- 46" * Torso fit range: 15" - 19" * Gear capacity: 15.5L * Hydration capacity: 85oz/2.5L **Features:** * Air Support Back Panel: Designed with Body Mapping Technology to allow for maximum ventilation on the hottest areas of your back * Side cargo pockets and compression straps * Removable Waist Strap: Added stability when you need it * Secure Phone Pocket: Conveniently located with a zipper closure for secured quick access * Trekking Pole Carry: Easily remove or replace poles while running