A class-leading fusion of comfort & durability, the race fit Techstar Pants incorporate innovative features such as the 3D ‘ Babel’ knee construction to significantly ramp up track performance. With lightweight mesh, perforated panels, these pants will keep you cool under pressure. Features New design for enhanced fit & function. Rider engineered fit & performance shape designed for aggressive riding, expert & professional level riding. Main chassis extensively constructed from advanced stretch rip-stop fabric for durability. Liner-less design & flat seam interior for rider comfort. High abrasion resistance & durable poly fabric reinforcement on the seat area. Four-way stretch panels positioned for freedom of movement. Localized laser cut perforation zones for cooling airflow. Iconic Babel knee updated for 2021. The slimmer fit is compatible with all Alpinestars knee braces & features the unique & proven open venting design. Pre-shaped, reinforced & padded 3D knee construction with hidden stretch spandex expansion gusset for a customized fit. Double overlap waist Velcro closure system & high strength ratchet system is secure & finely adjustable to personalize fit. Leg cuff features stretch mesh insert for easy on & off. Silicon print on inner waist to keep the pants in position. Sublimated fade-resistant graphics. Reshaped leather inner leg leather patch is longer to adapt better to the new protectors & for optimized contact with the bike. No lining for effortless on & put off with knee braces or knee guards. Overlock seams construction ensure a “slick” inner surface for optimized comfort.