Deuter's Fox 40 is a great kid's trekking pack that grows with your kids as they grow! This high quality, sturdy,technical pack has many of the features of adult packs in a smaller version so kids will feel right at home on the biggest adventures. The Alpine Back System meets the demands of technical pursuits, guarantees excellent ventilation and safe load carry and the VariQuick Shoulder Harness adjusts quickly to accommodate different sizes. Its hydration compatible and has plenty of pockets to grab gear on the go. Alpine Back System for stability, ventilation and comfort VariQuick Shoulder Harness that adjusts quickly to accommodate different sizes. Ice Axe and Pole Attachments Bellows Side Pockets Burly Lower Side Pockets Bottom Access Zip Panel Sternum Strap with Emergency Whistle Hydration Compatible Gear Loops on Hip Belt Carrying Capacity: 25 lbs. Number of Pockets: 4 Torso: 11 18 inches Materials: Ballistic Ripstop 210 Size: H 25 x W 10.5 x D 8.5 Weight: 2 lbs. 14 oz. Capacity: 2450 250 cu. in.