There%u2019s a reason the Camelbak M.U.LE. Hydration Pack 100oz is a one of the bestselling and long-running pack: it%u2019s got everything you need, and nothing you don%u2019t. The M.U.L.E. has a narrow-gauge design that keeps it light and maneuverable%u2014so even when it%u2019s fully loaded for a day of mountain biking, it won%u2019t get in your way. Since CamelBak launched the first M.U.L.E. in 1996, mountain bikers have been telling us that it hits the sweet spot of size vs. storage: it%u2019s lightweight, but big enough to carry three liters of water and a day%u2019s worth of snacks and gear. Over the years, they%u2019ve also added air channels to keep your back cool, universal helmet hooks, and clever compartments for stashing tools, keys and electronics. The latest version also features a magnetic tube trap that snaps easily into place, so you can hydrate without taking your eyes off the trail.Key Pack Features: XV back panel, magnetic tube trap, bike tool organizer p