Shop Osprey Packs HydraJet 15 Kid's Hydra Luggage Factory Osprey HydraJet 12 Tales of a Mountain Mama Kids' Osprey HydraJet 12 Hydration Pack Hydration Packs & Reservoirs Osprey HydraJet 12 Tales of a Mountain Mama. Whether it's a play date at a local trail or a family vacation to a National Park, the Hydrajet 12 is the perfect junior companion for kids who can carry their own gear. An included Hydraulics LT 1.5L reservoir, dual side pockets and front stretch pocket make it easy to store water, extra layers and plenty of snacks. A mesh backpanel and sternum strap will keep kids comfortable and stable whether hiking, skipping or running down the trail.KIDS' HIKING PACKSized for kids, designed for hiking.HYDRATION COMPATIBLEAn included Osprey Hydraulics LT 1.5L reservoir with the HydraJet 12LAIRSCAPE BACKPANELVentilated and close to body carry allows dynamic body movement whether skipping, hiking or biking down the trail.Dual stretch mesh side pocketsLarge front stretch mesh pocketSmall external zippered pocketLower web loop daisy chain attachment pointsExternal reservoir sleeveWide mouth bucket style main compartment openingCheck out all the Kids Backpacks here.