The latest tech from Leatt. This hard-shell slider paired with 3DF impact absorbing protector works like a charm and gives you the best of two worlds - soft and sliding! A ventilated, perforated sleeve with silicone grip and an integrated silicone coated X- strap, these guards do not slip down! It also offers a great fit with ergonomic left/right shapes. CE tested and certified protection that scores a total of 14 points in the Leatt protection rating system. Leatt Elbow Guard 3DF 6.0 Features: Soft elbow guard with co-molded hard shell sliders Anti-slip forearm X-strap with silicone bicep lining CE tested and certified as impact protection: Elbow EN1621-2 Total Leatt protection score 11 points super soft & flexible 3DF impact material Anti-odor MoistureCool and AirMesh wicking fabrics Pre-curve design for better fit & function Silicone printed elbow grip Size chart: size S M L XL XXL upper arm circumference in cm 20-24 24-28 28-32 32-36 36-40 The upper arm girth should be measured about 13 cm above the elbow.