Supertech is Alpinestars innovative Pro Level Motocross apparel line, designed for superior dirt riding performance, the Supertech gear fits like a second skin. With an engineered design for a premium athletic race fit, the chassis is made of advanced stretch and durable stretch ripstop, offering 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.