Endura mt500 protector liner short protective liner impact zone undershorts from endura features secure fit durable nylon lycra fabric protective impact bonded panels on hips and lumber seamless front crotch jacquard soft touch waistband 400 series stretch antibacterial pad with gel inserts silicone hem gripper all seam flat locked for toughness and comfort clickfast compatible buy endura clothing from chain reaction cycles the worlds largest online bike store