Patented, new posterior panel and Flexible Pulley System in an intermediate brace that comfortably contours and conforms to each patient's body structure. 5:1 ratio, the low-friction Flexible Pulley System provides powerful, smooth and easily-controlled compression. Lightweight, breathable construction combines with contouring panels for increased comfort and support. Quick, one-hand adjustment controls support level and comfort for standing or sitting. 8" high. Gray. Latex free.