Supertech is Alpinestars innovative Motocross apparel line, designed for superior dirt riding performance. With a new performance design for an athletic fit, a chassis consisting entirely of advanced stretch mesh and an ultra-lightweight construction, the Supertech Jersey is Alpinestars lightest ever MX jersey, featuring a host of race-proven technologies such as the innovative ergonomic shoulder and arm construction for superior freedom of movement and an extended back panel to maintain a flawless riding fit.