Dakine Mayhem Knee Pads - Black MediumDakine Mayhem Knee Pads Black Medium. Pedal friendly pro level impact coverage. Designed for gravity fueled riding with input from Dakine team riders these mountain bike knee pads are designed to articulate while you pedal so they stay in place as you ride. A skid plate and foam padding combo disperses impact loads while the breathable build keeps the air flowing to keep you dry and comfortable. They are remarkably lightweight to boot. 3D molded