CamelBak: This pack has grownup features—1.5 liters of water, a bike tool organizer pocket, and zippered compartments for layers and essentials— in a package that fits younger explorers. We’ve also added reflective strips and a safety whistle to make kids easy to spot on the trail.FEATURESThe brand new Crux delivers 20% more water per sip, with an ergonomic handle for easier refilling, and an on/off lever that makes it easy to prevent leaks.Breathable air mesh back panel for a lightweight, comfortable fitReflective accents for visibility in low-light environmentsStretch overflow storage compartment lets you easily stash a rain shell or extra layerSafety whistle built into sternum strap SPECIFICATIONSCOLLECTION: BikeACTIVITY: CyclingUSER: YouthHYDRATION CAPACITY: 1.5L/50 fl ozHYDRATION TYPE: CRUX™ Reservoir with Standard Exit PortBPA/BPS/BPF FREE: YesQUICK LINK DISCONNECT: NoGEAR CAPACITY: 1.5L/50 cu inPACK WEIGHT: 210 g/0 lb 7 ozDIMENSIONS: 35.5 x 19 x 19.5 cm / 14 x 7.5 x 7.7 inFITS TORSO: 30-40 cm/12-16 inBACK PANEL: Padded MeshWAIST BELT: N/ANUMBER OF EXTERIOR POCKETS: 3