Rolyan Fit Hinged Knee Support has dual-action hinges molded into the brace for a low profile. Accordian molding in the popitial area eliminates bunching and increases comfort. Lycra liner offers a breathable contact area for comfortable extensive use. Varied areas of thickness give additional protection. Made from neoprene. For size, with leg extended, measure circumference at mid-patella (knee cap). Available in black only.