MUELLER Easily adjustable support provides warmth and compression to the quadriceps and hamstring muscles. Provides individual fit for a wide range of sizes. Can be worn to warm muscles before strenuous activity or all day for continued comfort. -Provides constant uniform compression and support -Soft neoprene blend retains body heat for increased circulation to relieve pain, help promote healing and soothe tired muscles -Contour design for proper fit -Adjustable and comfortable for all day