For riders looking for maximum protection, without the bulk of a hard shell, the A-Impact PLASMA ELITE Knee Protectors feature the bio-based Nucleon PLASMA technology designed to protect riders against impacts – the perfect protection for the most aggressive trails. The protectors also include extra padding around the knee for additional coverage and have an engineered dual closure system to keep the knee protectors firmly positioned in place when riding. The unique double layer construction is specifically designed to offer improved directional movement of the knee while on the bike.