Black Diamond AvaLung II Sling

This AvaLung is like brand new barely used. Size M/L. As seen on Black Diamond:This 9 oz. shoulder sling may be the most important piece of life-saving equipment you can wear when traveling in avalanche terrain. - Allows an avalanche victim to breathe fresh air directly from the snowpack - Diverts CO2 away from fresh-air intake - Ultra-lightweight.