Fox Enduro Pro Knee Guard - BlackKnee guards built to pedal and protect You want that knee protection, but you don't want to sacrifice mobility and pedal efficiency to do it. The Enduro Pro Knee Guards are designed to deliver maximum 'hard knock' protection while keeping the bulkiness to a minimum. Slip them on and they'll stay right where you put them thanks to the rear elastic strap and silicon grip. Sweat isn't an issue either, thanks to their moisture wicking material and mesh