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.