The ARVA Reactor 24L Airbag Pack is a 24-liter backpack equipped with the REACTOR compressed air cylinder airbag system. This is a great everyday backcountry touring pack that adds the avalanche safety functionality of a gas-powered airbag system. Weighing in at 2030 grams, this pack is light enough to warrant traveling with every time that you enter avalanche terrain. The pack features a pocketed waist belt for easy access to knick-knacks and snacks, a diagonal ski carry and vertical splitboard carry system, ice axe loop, goggle/valuables fuzzy pocket, and an snow safety equipment pocket. The REACTOR system inside the pack is a compressed air cylinder system that can be refilled and replaced. The canister is sold separately. If you are looking for a dedicated backcountry backpack that has the added functionality of an airbag system, the ARVA Reactor 24L is a great choice to consider.