RK-S Knee Brace SleevesSpecifically designed to be worn with the Alpinestars range of off road boots and knee braces, the RK S Knee Brace Sleeve features a double layer, compact construction for high levels of stretchability and overall comfort Key Features The RK S Knee Brace Sleeve features a fold over design at the top and the bottom and is engineered to be worn under a knee brace to further prevent it from slipping down while riding Constructed from wear resistant