ABOUT Supertech is Alpinestars innovative Pro Level Motocross apparel line, designed for superior dirt riding performance. Supertech gear offers a full Factory Rider design, featuring a variety of SX and MXGP race-proven technologies that deliver premium levels of flexibility, freedom of movement, ventilation, durability, and rider comfort. PANTS KEY FEATURES Advanced Stretch Construction: The Supertech Pants are constructed from a single-layer, advanced stretch rip-stop fabric. Alpinestars has specifically developed the textile fiber composition for optimized mechanical properties including strength, elasticity, and abrasion durability. Designed for Performance: Featuring a performance-engineered single-layer construction for enhanced wearability, superior comfort, lighter weight, and ease of use with knee braces. Pro Rider Athletic Fit: Premium athletic fit and performance shape with an updated pattern designed to provide the high levels of enhanced body movement, flexibility, and comfort required by professional riders. PANTS CONSTRUCTION - Durable, full 4-way stretch construction, offering high levels of ventilation, and lightweight. - The Supertech Pants feature a host of SX and MXGP race proven technologies. - Goat leather with stretch aramid fiber contoured inner knee panel for optimal feel and durability. - Highly breathable Stretchnet zones along the entire lower leg provide ultra-lightweight construction, delivering superior airflow and excellent stretch retention for high levels of comfort and performance. - Linerless design for optimized rider comfort and effortless on and off with knee braces or knee guards. - Strategically positioned perforations for additional airflow and optimum ventilation. - SX1 auto-lock magnetic buckle for a quick and secure closure. - Silicone inner waistline to keep the pants in position. - Covered, zippered fly for durability.