For the riders looking for maximum protection, the A-Impact PLASMA ELITE Shield Elbow Protectors combine the bio-based NucleonPLASMA technology and a TPU shell to protect against impacts the perfect protection for the most aggressive trails. The protectorsalso include extra padding around the elbows for additional coverage and have an engineered dual closure system to keep the elbowprotectors firmly positioned in place when riding. The unique double layer construction is specifically designed to offer improveddirectional movement of the elbow while on the bike.