The MILWAUKEE Non-Marring Performance Knee Pad provides maximum comfort while being the longest lasting. These professional knee pads are constructed with a pressure reducing foam that maintains its shape for extended wear. The layered gel absorbs pressure and supports the knee for ultimate comfort all day long.The NonMarring Performance colorless cap is best suited for applications on sensitive surfaces to prevent scarring and marking. A robust, durable cap withstands changing jobsite conditions and provides the longest life.