This panel-loading, fully featured backcountry pack comes with or without an integrated AvaLung for traveling off-piste. The pack is built from tough, water-shedding 420d nylon and 1300d Ballistic reinforcements using a clamshell design for easy gear access. On the exterior, an adjustable ski/board attachmentsystem, ice tool loops, compression straps and an avy-tools pocket let you conveniently carry your essentials, and the right shoulder strap features a zippered hydration tube pocket.