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 and perforated panels, these pants will keep you cool under pressure. Advanced fit and function. Rider-engineered fit and performance shape designed for aggressive, expert, and professional-level riding. The main chassis is extensively constructed from an advanced stretch rip-stop fabric for durability. Iconic ‘Babel’ knee flexion construction features a 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. Liner-less design and overlock flat seam interior for enhanced rider comfort and effortless on and off with knee braces or knee guards. Double overlap waist Velcro closure system and high-strength ratchet system is adjustable for a secure and personalized fit.