Features The ultimate in knee protection Equally suited to day-long Enduro riding as it is to DH racing IPX® impact foam is soft & pliable while riding, but hardens on impact Slim enough to be worn under pants Fast-wicking, breathable, & ultra quick-drying material 2 x hook & loop (left & right) upper thigh straps provide fine adjustment for a great fit Silicone top & bottom helps pads stay in place during crashes Open-cell foam honeycomb structure on inside & outside of legs for ventilation & comfort Additional ventilation on back of knee Soft inner lining for added comfort Certified to EN 1621-1 Level 2