Equip your kids with essential hydration whenever they need it with CamelBaks Mini M.U.L.E. 50-cu.-in. hydration pack. Ventilated harness is built for kids with up to a 16 torso length. Breathable mesh back panel allows air to circulate, preventing overheating. Adjustable sternum strap ensures a secure fit and has an integrated safety whistle. Stretch overflow pocket secures bulky loads. Includes 1.5-liter Crux reservoir for quick hydration. Reflective accents for visibility. Organizer pocket for tools. Constructed of 200-denier polyester and 210-denier nylon plain-weave fabrics. Imported. Color: Black / Flames. Type: Hydration Packs.