For big adventures on two wheels, CamelBak's Mini M.U.L.E. keeps kids hydrated, safe, and organized. Compact footprint and shorter length for childrens torsos 11 in. torso length. Diamond mesh back panel and lightweight mesh harness reduce overheating. Front and back reflectivity for added safety. 1.5 L Antidote reservoir with quick snap cap, low profile fit for stability, and lighter fill port to cut weight. Extra large opening makes reservoir easy to fill and clean. Folding arms lock out for faster drying of reservoir. Zippered front pocket with phone pocket carries snack, sunscreen, keys, and cash. No waist belt for freedom of movement. Torso length of pack 11 in. 28 cm. Pack body 210D nylon with a polyurethane coating and DWR finish for water resistance.