* Tech-Air® 5 is a slim, self-contained wearable airbag vest that can be worn under any proper fitting textile jacket or Tech-Air® compatible jacket. * Tech-Air® 5 offers unrivaled upper body protection, keeping motorcycle riders safe by uniquely covering the shoulders, chest, ribs and full back. * Tech-Air® 5 has Bluetooth connectivity and an accompanying Tech-Air® App, which uses the rider’s phone to display the system’s operational status, battery status and a detailed analysis of a ride. | Article: Alpinestars Tech-Air 5 Airbag Vest, grey, Size S | Article: Alpinestars Tech-Air 5 Airbag Vest, grey, Size S, grey, Size S