Black Diamond Revelation Avalung Pack

The Black Diamond Revelation Avalung Pack is the iconic ski mountaineering pack. The Black Diamond Revelation Avalung Pack is the perfect size for serious day touring and just might buy you some time should you be unfortunate enough to be buried in an avalanche while you're out. The new and improved AvaLung System exports carbon dioxide to a rear pack corner away from your face and imports fresh oxygen-laden air from a bi-valve intake box on the shoulder strap. All this in a fully-featured, anatomically fit pack with easy access top zip. Material Tough 420D nylon and 800D Ballistic nylon Pockets Large panel access across top with zippered top pocket Dedicated avy tool organizer pocket Insulated hydration sleeve Tuck-away helmet carry sling and crampon patch Ice Tool PickPockets Removable hipbelt with stash pockets Features Avalung System – Improved AvaLung breathing system is integrated into pack. Removable 20 mm aluminum stay Swingarm Shoulder Straps – Groundbreaking shoulder strap design attaches the two straps with a low-friction cable that slides through the pack bottom to move with the user's stride. ergoACTIV Hipbelt – A proprietary ball-shaped joint attaches the hipbelt to the frame allowing unrestricted movement in any direction. A-frame ski carry, sled attachments Volume –M/L: 35L (2136 cu in) Sizing – M/L: 47-55 cm torso length (18.5-21.5") Warning – Wearing an Avalung is no guarantee of survival in an avalanche. Backcountry travelers are highly advised to educate themselves in snow stability assessment, route finding, and companion rescue and carry all of the conventional avalanche gear in addition to the Avalung.