The Back on Track Therapeutic No Bow Leg Wraps are a cotton/polyester blend material that utilizes our Welltex technology to reflect your horseš¬™s own body energy to create a soothing far infrared thermal effect. When you use our No Bow Leg Wraps, the unique material may help to decrease swelling and help keep your horseš¬™s legs cool and tight. Horse owners use the Back on Track No Bow Leg Wraps for injury prevention or recovery. They should be used with standing bandages after a strenuous ride and left on overnight after the initial introductory period. These wraps are also great to use when shipping your horse.