The AvaLung II may be the most important piece of life-saving equipment you can wear when traveling in avalanche terrain. While a beacon can be a great body locator device, the Avalung II allows you to breath fresh air directly from the snowpack, buying you precious time during a rescue. Rebreathing exhaled air when you’re buried causes suffocation because it’s oversaturated with carbon dioxide and depleted of oxygen. The AvaLung II diverts the exhausted air away from your fresh-air intake zone, considerably extending the time your partners have to conduct a successful recovery. When a nine ounce shoulder sling has been proven to save lives, and is trusted by guides, avalanche control workers, patrollers and ski mountaineers worldwide, what’s your excuse for not wearing one? Features: Fits unobtrusively over your existing outerwear and pack Weighs less than 10 ounces Proper use buys precious time when buried in an avalanche Essential addition to your backcountry and avalanche safety tool kit