Tough 420D nylon and 800D Ballistic nylon
Dedicated avy tool organizer pocket
Insulated hydration sleeve
Avalung System - Improved AvaLung breathing system is integrated into pack.
Tuck-away helmet carrying sling
Unique diagonal ski-carry cable
Large zippered front-panel opening
Volume - S/M: 18L (1098 cu in); M/L: 20L (1220 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.