Compressed gas from the cartridges only inflates the avalanche airbag structural chamber,
the rest of the airbag fills up itself itself with ambient air.
a high pressure compressed gas cartridge requires a cylindrical shape,
two shorter and thinner cartridges instead of one bigger and with a larger diameter allow the airbag inflation system to be more flat and thinner- to fit ergonomically inside
>> AEROSIZE Avalanche Vest.