Leatt Elbow Guard 3DF Hybrid – Youth. The 3DF Elbow Guard uses new Leatt® 3DF, 3-dimensional impact foam that offers a soft and flexible fit and energy-absorbing impact protection. This combination results in comfortable, lightweight CE certified protection Protection that includes MoistureCool wicking fabric, that keeps you cool. So comfortable you may forget you have them on Immediately after impact our 3DF foam absorbs the energy and its memory effect allows the foam to return to its original position, preparing it for the next impact. The quicker the force is introduced the quicker the reaction takes place Features: Hybrid combination Soft and comfortable 3DF impact foam Deflecting Hard Shell MoistureCool wicking fabric Silicone lamination to keep protector in place CE certified for impact protection EN1621-2 Great fit and very comfortable by 3D designBuy Leatt Protection from Chain Reaction Cycles, the World’s Largest Online Bike Store.