Limited Edition Dirt Studios Alpinestars Supertech Jersey/Pants Combo Supertech SX is Alpinestars innovative Pro Level Motocross apparel line, designed for superior dirt riding performance. Supertech gear offers a full Factory Rider design and features a host of SX and MXGP race-proven technologies for optimum levels of flexibility, freedom of movement, ventilation, durability, and comfort. Featuring an extremely lightweight, premium athletic cut and fit, the Supertech Jersey with its engineered ergonomic cuts provides enhanced body movement on the track. Premium athletic performance race fit designed for aggressive riding and professional levels of movement, flexibility, and comfort. Supertech jersey - slightly different from standard with dedicated construction adapted to this specific collab design.