Stretch and movement come standard with the JL Trackpant. The contrast stripe gives when you run/walk/lift/warmup--when you move. Supplex for windbreak. Contrast vertical panels add moveabillity and color. | Use Hytrel to repel water, line it with fleece, add zippers to the pockets, pinstripes to the vertical stripes, change the color of the zipper...the list goes on. |