Alpinestars Techstar Quadro Pants

Advanced fit and function. Rider-engineered fit and performance shape designed for aressive, expert and professional level riding. Main chassis extensively constructed from an advanced stretch rip-stop fabric for durability. 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. 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. Highly abrasion resistant and durable poly-fabric reinforcement on the seat area. Four-way stretch panels are strategically-positioned for optimized freedom of movement. Localized laser cut perforation zones for high levels of cooling airflow. Leg cuff features a stretch mesh insert for easy on and off. Silicon print on inner waist to keep the pants in position. Sublimated fade-resistant graphics. Ergonomic inner leg leather patch is longer to adapt better to the new Alpinestars protectors while ensuring optimized contact with the bike..