Tough 420D nylon and 800D Ballistic nylon
Insulated hydration sleeve
Hipbelt stash pockets
Enclosed avy shovel/probe pocket
Avalung System - Improved AvaLung breathing system is integrated into pack.
Top loading access
Removable 20 mm aluminum stay
A-frame and diagonal carrying options
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.
Volume - S/M: 30L (1831 cu in); M/L: 32L (1953 cu in)
Sizing - S/M: 41-48 cm torso length (16-19"); 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.