Horse Pilot Airbag Vest Twist Air BlackWhen triggered, the airbag protects the cervical vertebrae, back, hips, spine and neck. 42 gram gas refill cartridge. The ergonomic fit and bi stretch fabric allow the vest to accommodate the airbag inflation while remaining lightweight. The mesh panels on the sides and back provide the breathability needed during intense effort. The cable connecting the rider to the saddle is magnetic: it connects and disconnects with one hand, so the rider never has