The K2 Sentinel Pack is jam packed with features that make it the best backcountry pack we have ever produced. Built with 420d Nylon/600D Poly materials for optimal durability and weight efficiency, this pack delivers every feature/pocket the backcountry skier needs to be prepared for any scenario. These features include a hip and shoulder load lifter, lined goggle pocket, shovel blade storage pocket, internal shovel handle and probe pocket, a molded back panel, ice axe loop, insulated hydration sleeve, tuck and roll straps, and the K2 exclusive adjustable ski strap for switching diagonal ski placement.