A classic from Camelback, the M.U.L.E.® hydration backpack has received a small update to be even more functional. Featuring several modifications to enhance the comfort of its wearer, it still retains its original qualities. The new features include smart storage, an Air Support back panel, lightweight materials, and maximum ventilation to ensure you feel completely comfortable on all trails. Air Support™ back panel Helmet attachment Tool storage compartment Magnetic tube trap™ Removable stability belt Ventilated harness Bag capacity: 12 L Water reservoir: 3 L Camelbak M.U.L.E. 12L - Hydration backpack