Despite being one of Black Diamond's lightest the Cirque 45 Backpack boasts plenty of space for day-long backcountry tours and ski mountaineering missions. Designed for minimalists and ski mountaineers the Cirque features only the basics but still retains a full-featured design. It carries skis diagonally or at an A-frame as well as your helmet avalanche safety gear ice axes and even a climbing rope.Although streamlined for minimalists the Cirque still sports innovative technology that doesn't add a whole lot of weight to your kit. The SwingArm shoulder straps and stretch waist belt provide active suspension and a streamlined fit. The Cirque is compatible with Black Diamond's AvaLung and SilNylon lid pocket for added safety and capacity when traveling in avalanche terrain.