evo.com | CamelBak Hydration Packs > Improve your ride quality, rely on the CamelBak M.U.L.E. LR 15 Hydration Pack to re-hydrate and carry your gear, all while centering the weight at your lumbar and freeing your shoulders of extra weight. A 3L Crux | CamelBak M.U.L.E. LR 15 Hydration Pack 2018