Camelbak mule nv hydration packan updated favorite for any terrain and all kinds of weather the mule nv keeps you hydrated while your back and gear stay dry an updated favorite for any terrain and all kinds of weather the mule nv keeps you hydrated while your back and gear stay dry this narrow gauge mountain biking pack has everything you need and nothing you dontand its compact design means that it wont get in your way even when its fully loadedthis narrow gauge mountain biking