The Ace 50 pack by Osprey was created for adventurous, young backpackers ages 11 16. This overnight pack features an ultra adjustable torso and hipbelt that allows the pack to grow with the user, providing years of value and comfort . It also includes a sleeping bag compartment, raincover and organization pockets to easily grab gear on the go. Top load access to main compartment Zippered under lid pocket Upper side release buckle compression straps Daisy chain Lower IinsideOutTM side compression straps Dual stretch mesh side pockets Lower zippered sleeping bag compartment with divider Large stretch mesh front pocket Sleeping pad straps Intergrated raincover r stores in its own zippered pocket for easy deployment when needed Zippered top lid pocket Internal reservoir sleeve Removable floating top lid Fit on the FlyTM hipbelt Zippered hipbelt pockets LightWireTM frame and 1.2mm HDPE framesheet Airscape Backpanel with mesh covered ridged foam Adjustable seamless spacermesh harness Adjustable ice tool or fishing rod loop Internal compression strap Number of pockets: 7 Torso length: 13 18 Material: 210D Nylon Double Diamond Ripstop, 420HD Nylon Packcloth Size: 26h x 13w x 12d Weight: 2 lb. 15 oz. Capacity: 3051 cu in.