Osprey Ace 38 Kid's Backpack The harness is adjustable up to 5"/13cm, providing a stable and comfortable carry for a variety of users The Fit-on-the-Fly hip belt pads extend up to 5"/13cm to accommodate different hip sizes providing a custom fit The integrated, removable raincover provides pack and gear protection in adverse conditions Osprey's InsideOut compression straps allow you to create tension and easily secure loads in the dual stretch mesh side pockets Removable sleeping pad straps allow for quick, secure external gear attachment. They can be removed to save weight