Certified kit ideal for racing & sport use, also to be found on Spidi s Moto GP & Superbike riders. Biomechanic elbows are composed by a flexible jointed external shell for sliding & soft inner material prepared for shock absorption & comfort of use. Weight is only 109 grams & shock absorbing performance are very well above those required by 1621-1 law standard. Performance Vents Protection Biomechanic protectors