Fill the Osprey Ace 50 with 15-20% of your child's bodyweight and take off for a weekend in your favorite camping spot. Although designed for youth ages 10 to 17 this pack has the same award-winning LightWire suspension as Osprey's adult models. The mesh back panel and shoulder harness ensure all-day comfort. The lid of this top-loading pack is removable for quick forays from camp.