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 of advanced stretch and durable stretch Ripstop and an ultra-lightweight construction the Supertech Pants feature a host of SX and MXGP race-proven technologies including stretch Kevlar® to deliver optimum levels of flexibility freedom of movement ventilation durability and comfort.