Gregory Nano 22 H2O gray backpack with a blue hydration pack. Perfect for outdoor adventures. With the included 3L Hydro reservoir, the Gregory Nano 22 H2O hydration pack is ideal for quick-strike missions to catch the sunset or a weekend at your favorite mountain music fest. Designed using Gregory's Lifecycle Analysis tool and using recycled materials to provide a 57% reduction in carbon footprint compared to a conventional nylon pack. Included 3L, quick-drying Hydro reservoir in separated zippered compartment helps you stay hydrated on the move. Plenty of pockets stash your must-haves: a top zippered pocket with a key clip, a zippered side stash pocket and side mesh water bottle pocket. Grooved foam backpanel to allow air to flow freely keeping your back cooler. Padded shoulder straps with magnetic sternum buckle and integrated hydration routing. Front bungee attachment system. Easy-pull top drawcord opening lets you access your stuff quickly and conveniently. 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.