Camelbak\'s M.U.L.E Hydration Backpack is an integrated pack with a three-litre hydration reservoir within a 12-litre backpack, giving you nine-litres of storage for the rest of your belongings.Not a gram of weight is wasted in this incredibly efficient pack that\'s designed to sit neatly on your back as you cycle over road or trail. The Crux Reservoir delivers 20% more water per sip and prevents leaks with a self-sealing bite valve. It also features a magnetic tube trap that fixes your tube in place with one click, making it easy to access all the time, enabling to keep your attention on the bike. The removable stability belt and side compression straps both help to keep your pack compact and secure, which comes in especially handy for you and your kit when riding over rugged terrain.Hydration: 3L Crux Reservoir with Quicklink SystemStore capacity: 9L Magnetic Tube Trap - stows tube for easy access Air Director back panel - maintains airflow for ventilationReflective panelsRemovable stability belt Side compression strapsBPA/BPS/BPF freeFabric: 100D Robic Nylon Dobby / 210D Nylon OxfordWeight: 620gDimensions:45.5 X 22 X 22.5 cm