Abs ts vario base unit twin avalanche airbag prepare for the unexpected with this abs ts vario base unit twin avalanche airbag which is designed to help keep you on the surface of the snow during an avalanche thanks to the twin airbags that have 170 litre volume which fully inflate in 3 seconds whilst the padded back and cushioned hip strap ensures you can ski in comfort and the large storage space allows you to carry essential belongings in the most remote places abs avalanche bag t