Back on Track Therapeutic Horse Indoor Summer Rug, 69-Inch Our Summer Horse Rug is Made from Fabric Infused with Ceramic Powder; The Ceramic Reflects Natural Body Heat and Creates a Soothing Infrared Warmth The Thermal Warmth Helps Increase Blood Circulation and Help Your Horse's Muscles Recover, Stay Lose and Become Less Inflamed Back on Track's Welltex Material Will Never Lose Its Effectiveness Even If The Products End Up in The Dryer The Back on Track Summer Horse Rug is Excellent For Use During Warm-Up Sessions, Riding Tours and Following Exercise or Competition Sessions