Key Features:A fully featured, high-quality hydration pack with 6 litres of cargo space designed from scratch for kids aged 6-12,Thule\'s unique magnetic ReTrakt hands-free hose return system keeps your drinking tube safely stowed when not in use but always to hand,Adjustable harness with breathable straps and perforated foam back-panel for all-day comfort,Sternum strap to aid stability, all straps have integrated management systems to prevent excess strap flapping around,Carefully organised interior with 6 litres of storage, multiple pockets, dedicated pump loop as well as a zippered compartment for valuables,Includes 1.75-litre Hydrapack reservoir,Weighs just 0.34 KG,Rear loop for mounting a light.