We've seen the jackets you can buy for motorcycles but a Sweidish company has made motorcycle trousers that incorporate airbags
https://interestingengineering.com/innovation/worlds-first-airbag-jeans
They use a Co2 cartridge so are 'reusable'
https://interestingengineering.com/innovation/worlds-first-airbag-jeans
They use a Co2 cartridge so are 'reusable'