Alpinestars Techstar Pants A class-leading fusion of comfort and 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. New design for improved fit and function. Rider engineered fit and performance shape designed for aggressive riding, expert and professional level riding. Main chassis extensively constructed from advanced stretch rip-stop fabric for durability. Liner-less design and flat seam interior for rider comfort. High abrasion resistance and 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 flexion construction features the unique and proven open venting design and allows for a slimmer fit while still being compatible with all Alpinestars knee braces. The pre-shaped, reinforced and padded 3D knee construction is also equipped with a hidden stretch spandex expansion gusset for a customized fit. The slimmer fit is compatible with all Alpinestars knee braces and features a unique and proven open venting design. Pre-shaped, reinforced and padded 3D knee construction with hidden stretch spandex expansion gusset for a customized fit. Double overlap waist Velcro closure system and high strength ratchet system is secure and finely adjustable to personalize 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. Reshaped leather inner leg leather patch is longer to adapt better to the new protectors and for optimized contact with the bike. 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.