Support is contoured and darted for best fit. Open patella area relieves pressure from the patella. 11" long thermal neoprene support with nylon facing on both sides, heavy duty outer nylon for longer life. Effective on a variety of problems such as muscle strains, sprains and hamstring pulls. For an accurate fit, measure around the middle of the knee. If the measurement falls between two sizes, choose the larger size. Available in a variety of sizes. Color: Black.