Clas challenger medium backpack with padded shoulder straps by kipling. Playful and practical, the clas challenger offers the classic function of a medium-sized backpack with modern details. The adjustable shoulder straps have soft padding that"s lined with rib fabric for comfort. A versatile series of pockets keep both large and small essentials organized. Side slip pockets with velcro; closures are the perfect places for drinks and the small items you need on demand.