The K2 Pilchuck backpack is designed to be the same size as most hali packs & has all of the technical features necessary for serious backcountry Snowboarding or skiing, but is still stylish enough to use as an everyday backpack. The Pilchuck offers 26 Litres of space & is a low profile with lighter weight than other packs. Built with durable 420D Nylon/600D polyester material & the Pilchuck offers many of the same features as in the Sentinel pack, but in a slimmer design. Those features include an external shovel blade pocket, an insulated hydration sleeve with internal routing through the shoulder strap & K2's two way ski strap for adjustable diagonal ski placement. Features 20 litre capacity Transverse ski carry straps inner compartments for orginiser Comfy shoulder strapschest security strap