This Therapeutic All Purpose Back Pad uses state-of-the-art Welltex fabric, which contains polyester thread embedded with a fine ceramic powder. Designed to reflect the horse's own body warmth, it creates a soothing infrared thermal heat, which can help alleviate pain associated with inflamed muscles, ligaments, tendons, and joints. Used for both injury prevention as well as injury recovery. This Pad helps to warm up your horse's back before exercise, loosening up the muscles. See and feel the results for yourself with horses that are experiencing a sore back or cold back. Material is 100% polypropylene infused with Back on Track's revolutionary new ceramic infused fiber. Black.