ALPINESTARS AST V2 AIR JACKET BLACK YELLOW FLUO 4XL - 2820-5655Tech Air 5 ready; Tech Air is the worlds first completely electronic, self contained, full independent upper body motorcycle airbag system with no bike to rider set up configurations required Strategically positioned stretch panel inserts have been designed to accommodate Alpinestars Airbag System, allowing expansion when the airbag inflates but also offering a high level of anatomical performance and a superior fit when riding without the system