The ARVA Reactor 32 Airbag Pack is a 32-liter pack equipped with the REACTOR compressed air cylinder airbag system. This is a great pack for carrying additional gear or for longer outings while also having the added functionality of an airbag system inside. This pack features diagonal ski carry, vertical split carry, two ice axe loops (sendy!), a dedicated snow-safety equipment pocket, and a pocketed waist belt for easy snack access. The pack weighs a reasonable 2070 grams. The REACTOR system inside the pack is a compressed air cylinder system that can be refilled and replaced at designated locations. The canister is sold separately. If you are looking for a backcountry backpack that can fit all of the necessary group gear for longer missions while also having the added functionality of an airbag system, the ARVA Reactor 32L is a top pick.