The Jet 18 pack 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.Features 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 Carry InformationAIRSCAPE BACKPANELOpen mesh over bump EVA foam ensures ventilation and comfortHARNESS Smooth edgeless harness, fleece-lined with no edge seam for a comfortable fit and feel Adjustable sternum strap with rescue whistle HIPBELTAirmesh wrap hipbelt wings for comfortable stable carrySpecs VOLUME: 1098 IN3 / 18 L DIMENSIONS: 18.11H X 9.45W X 8.66D IN. WEIGHT: 1.14 LBS. FABRIC: MAIN: 400D Recycled Nylon Packcloth BOTTOM: 400D Recycled Nylon Packcloth