The Sprint Series bring Osprey's legacy of deluxe custom-fit to youth backpacks. The Osprey Junior's Imp Backpack combines ergonomically correct fit technical features and great looks with Osprey design quality and durability these packs will provide years of comfortable trail performance for young hikers. Features include super-long easy adjust torso length to grow with your child size adjustable hipbelt and peripheral frame for excellent load transfer and spacious head clearance. Also includes built-in rain cover dual daisy chains four side seam buckles that allow pack to attach to larger Osprey models. This pack is hydration compatible for day hiking and overnight trips.