The A-Impact PLASMA ELITE Shield elbow protectors combine the bio-based Nucleon PLASMA technology with a TPU shell to protect against impacts - the perfect protection for the most aggressive trails. The protectors are additionally padded at the elbows and feature an ingenious double fastening system that keeps the elbow protectors firmly in place while riding. The unique double-layer construction has been specially developed to allow improved directional movement of the elbow while riding.