Supertech is Alpinestars innovative Pro Level Motocross apparel line designed for superior dirt riding performance. With an engineered design for an athletic 'race' 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 SX and MXGP race-proven technologies the Supertech Jersey delivers optimum levels of flexibility freedom of movement ventilation durability and comfort.