The SENTEQ Far Infrared Rays Ankle Strap Support provides compression and heat to body. Helps treatment and prevention of injury. Bio-ceramic dots coating on the material absorb body heat and return it in the form of far infrared rays that penetrate the tissues and help promote circulation and healing. Wrap around design which makes it easy on and off. Suitable for sporting and any activities. * Ankle sprain and strain * Ankle fatigue