Powered with a vented Zoombang™ insert that is scientifically engineered to dissipate energy, reducing injury and stress on equine athletes. Its breathable design remains securely in place, providing conformal layered protection. Durable 3/8" felt top is designed to be used alone or under show blanket. A 100% Merino fleece bottom wicks moisture and provides maximum comfort to the horse’s back. 1-1/4" total pad thickness.