The Black Diamond Covert pack keeps an AvaLung II at the ready and eliminates the need to wear it separate from your winter safety pack. AvaLung apparatus can increase the time you have to breathe if trapped in an avalanche air is pulled in directly from the snowpack via a mouthpiece. Exhaled carbon dioxide is directed out the exhaust tube, extending the time available before an ice layer builds up and seals out oxygen. . Apparatus is built into pack, with the breathing tube enclosed inside the left shoulder strap so the mouthpiece is readily available. Exhaled carbon dioxide exits through a special port at the bottom right of pack. Pack features a large main compartment with sleeve for water reservoir sold separately drinking tube routes through insulated right shoulder strap. Also features a dedicated, zippered pocket with sleeves for storing avalanche probes has room for shovel and related safety gear. Carries skis or snowboard vertically. Keep large gear handy with dual high-and-low ice axe loops and twin elastic cords with cinching cordlocks upper ice axe loops are reinforced. Features comfortable padded waistbelt, shoulder straps and back panel reinforced handle lets you grab and carry when time is critical. . Closeout.