What is an electronic motorcycle airbag vest/jacket and how does it function?

1. A vest that inflates with hot air to keep the rider warm in winter
2. A wearable safety garment with sensors and CO2/argon canisters that deploys within milliseconds during a crash to protect the neck, chest, and spine
3. A life jacket designed for ocean rescue
4. A cushion that must be manually pumped by mouth before every ride