Alpinestars Supertech Pants Supertech is Alpinestars innovative Motocross apparel line, designed for superior dirt riding performance. Featuring an innovative performance fit design, a chassis consisting of advanced stretch material and an ultra-lightweight construction with a simple, clean design and an aggressive look, the Supertech Pants incorporate a host of race-proven technologies for comfort and performance-winning pedigree in Supercross and Motocross. Rider engineered fit and performance shape designed for aggressive riding and professional levels of movement, flexibility and comfort. Main chassis extensively constructed from advanced stretch rip-stop fabric. The textile fiber composition is specifically developed by Alpinestars for high level mechanical properties including strength, elasticity and abrasion durability. Liner-less design and flat seam interior for optimized rider comfort. 600 Denier reinforcements on seat area provide seam strength, durability and critical coverage. Dual-layer 600 Denier knee panel for durability and freedom of movement. Stretch mesh inserts at back of knee add flexibility and air flow. Open mesh inserts positioned to flow cooling air into the hip area and exit warm air at the back. 3D leather knee panels backed with 600 Denier designed to work with knee braces for riding feel, grip and control, plus heat resistance and durability. High heat resistance stretch aramidic fiber reinforced panel surrounds the knee, extending heat resistance, comfort and durability. Double overlap waist Velcro closure system and high strength ratchet system is secure and finely adjustable for a personalized fit. Leg cuff features stretch mesh insert for easy on and off. Silicon print on inner waist to keep the pants in position. Sublimated fade-resistant graphics. No lining for effortless on and put off with knee braces or knee guards. Overlock seams construction ensure a “slick” inner surface for optimized comfort.