The Leatt Contour Elbow Guards have been redesigned to feature a improved sliding surface, a silicone coated x-strap and specific right and left fits. Still slim and lightweight, the Contour Elbow Guards deliver plenty of protection that can be worn over or under your jersey. Features: 3D design for optimal fit with specific left and right sides Hard shell and 3DF AirFit ventilated soft impact foam CE tested and certified as impact protection: Elbow EN1621-1 Improved hard shell sliding surface Anti-slip forearm X-strap with silicone bicep lining Silicone printed elbow grip Anti-odor MoistureCool and AirMesh wicking fabrics Soft rubber edges offer superior protection, feel and comfort Vented plates for maximum airflow Sold in pairs Sizing: Based on upper arm circumference SM/MD: 8.5-11" LG/XL: 11-13.7" 2XL: 13.7-16"