Product Description: A handy companion for a spontaneous hike, busy weekend or music festival, the Gregory Nano 18 H2O hydration pack hauls all of your must-haves-and 3 liters of water-when you&';re out and about. Features Included quick-drying 3D Hydro 3 L reservoir fits in a separate zippered compartment to help you stay hydrated on the move Top zippered pocket with a key clip, zippered side stash pocket and side mesh water bottle pocket Grooved foam back panel allows air to flow freely, keeping your back cooler Padded shoulder straps with a magnetic sternum buckle and integrated hydration routing Easy-pull top drawcord opening lets you quickly and conveniently access your stuff Reflective attachment loops to secure water bottles and other trail accessories Removable webbing hipbelt helps balance your load Padded tubular webbing haul handle adds carrying comfort Custom ComfortGrip molded zipper pulls Designed using the Gregory Lifecycle Analysis tool and using recycled materials to provide a 40% reduction in carbon footprint compared to a conventional nylon pack