Advanced single-layer stretch rip-stop fabric offers exceptional strength, elasticity and abrasion resistance for long-lasting performance. Linerless, performance-engineered design ensures lightweight wearability and effortless on and off with knee braces. Premium athletic race fit with a contoured pattern delivers enhanced flexibility, freedom of movement and rider comfort. Goat leather inner knee panels reinforced with stretch aramid fiber and 4-way stretch construction provide superior durability and optimal feel. Highly breathable Stretchnet zones and strategic perforations maximize airflow while the SX1 auto-locking magnetic buckle and silicone waistline maintain a secure fit. Supertech is Alpinestars innovative Pro Level Motocross apparel line, designed for superior dirt riding performance. Supertech gear offers a full Factory design and features a host of SX and MXGP race-proven technologies for optimum levels of flexibility, freedom of movement, ventilation, durability, and comfort. Designed for competitive riding, the Supertech Vista Pants, with their athletic race fit, are the ideal motocross pants for top-level performance.