The Sprint Series bring Osprey's legacy of deluxe, custom-fit to youth backpacks. The Osprey Juniors Ace 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, retractable zippered sleeping bag compartment (bag can be stowed in or outside the pack) and pockets on top lid, stretch nylon mesh front and side with mesh pocket for cell phone/MP3 player. This pack is hydration compatible for day hiking, overnight to extended trips.