The Black Diamond Cirque 50 is Black Diamond's large-volume technical ski mountaineering pack built for overnights and big ski mountaineering missions. The Cirque 50 has a roll-top main compartment, an externally-accessed avy safety pocket, and a quick-access side pocket to stash skins or ski crampons. External features include an easy-to-rig A-frame ski carry system and a helmet carry system, plus side compression straps and a top-rope carry system. A padded waistband adds extra cushion and stretch-woven padded shoulder straps make for a comfortable carry. Quick-deploy PickPocket piolet carry system is compatible with piolets or tools and comes in handy during unexpected sections of no-fall terrain.