The award-winning pressurized hydration system allows you to spray water to hydrate, share, clean, cool, etc.--anything you need.Pressurized bladder, no need to suck for your hydration anymore!70 oz (2L), quick-release valves for drinking tube and pressurization tube for easy refill and bladder removal, slide top for easy refill, cleaning and drying.700 cubic inches of pack capacity with two large storage compartments, additional interior utility organizer and mesh pockets.500D Cordura.2.05 lbs.Molle.High density mesh and padding with back ventilation.Terraced overlay pack straps.Two front compression straps.Removable waist strap.Box-stitched reinforced pack handle.Additional interior utility organizer and mesh pockets.Insulated drink tube.Top zipper for accessing hydration engine and long main compartment zipper for easy access and loading.