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.