FOX Motocross Knee Brace Socks Flexair are designed with a tall structure to be worn over knee braces. These socks feature a thin, lightweight construction made from polyester and spandex that keeps your feet cool and dry. A large mesh element on the back enhances ventilation, providing superior cooling during intense motocross activities. The foot area is composed of 57% polyacrylic, 24% nylon, and 19% polyester, while the leg area is made of 100% polyester. Perfect for off-road riders seeking functionality and comfort, these socks ensure optimal performance and support on demanding rides.