Prevents sports and work related knee injury Give a proper support and compression Relieve pain and swelling Speeds up recovery Ideal to prevent and support the sports and works related knee injury. This product is made of circular knitting construction. Provide high compression which can provide good stabilization and accelerate the blood circulation. Four–way stretch can easy to put on and off. The knitting construction can provide free ventilation. It can provide maximum comfort, compression, heat therapy, and support to the knee. Prolonged wearing can promote blood circulation, reduces pain and swelling, speeds up recovery, also prevent injury as well.