Specifically 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 textiles for durability. Made from stretchable textiles for enhanced rider comfort. Construction: Double-layer and compact construction made from durable and stretchable textiles for optimal rider comfort. Flat locked seams and soft-touch textile for enhanced comfort. Sublimated graphics for durability. Compatible with all Alpinestars knee braces. Sold as a pair.