The Osprey Jet 18 Litre Kid's Daypack offers a simple feature set and comfortable carry in a pint-sized package. Outfitted for the trail, this pack features a large bucket-style opening for easy access on the trail, simple pocketing for trail snacks and treasures, daisy chain attachment points and space to carry a reservoir if needed. Whether they're skipping rocks or catching toads, the Jet 18 encourages movement and makes outdoor outings more enjoyable. Key AttributesKIDS' HIKING PACKSized for kids, designed for hiking.HYDRATION COMPATIBLECompatible with Osprey Hydraulics® LT 1.5L reservoir (sold separately)AIRSCAPE™ BACKPANELVentilated and close-to-body carry allows dynamic body movement whether skipping, hiking or biking down the trail.   Carry Information AIRSCAPE BACKPANELOpen mesh over bump EVA foam ensures ventilation and comfortHARNESSSmooth edgeless harness, fleece-lined with no edge seam for a comfortable fit and feelAdjustable sternum strap with rescue whistleHIPBELTAirmesh wrap hipbelt wings for comfortable stable carry Features and Specifications Dual stretch mesh side pockets Large front stretch mesh pocket Small external zippered pocket Lower web-loop daisy chain attachment points External reservoir sleeve Top-load access to main compartment Volume: 18 Litres Materials: 400D Recycled Nylon Packcloth Weight 0.515 kg Dimensions: 46H X 24W X 22D CM Osprey Jet Kid's 18 Litre Backpack