True Flex Knee Pads, from True Source Enterprises, are uniquely jointed to move with the natural motion of the knee. Great for welding applications, nylon woven straps are 1” wide on top and 1-1/2” on the bottom are placed in such a way as not to bind behind the knee yet maintains a positive fit to keep the pad in place kneeling, standing, walking or running. The unique zip clip easily allows the user to put the knee pad on and off quickly and adjust even while in use.