This ESP Felt Top has a 3/8" wool blend top that offers superior shock absorption. The XPF center with a self adjusting profile that provides the highest level of protection. The 5/8" orthopedic grade felt bottom soaks up moisture, allowing heat to dissipate away from the horse's back. This pad conforms to the horse's back while maintaining density and provides excellent shock absorption. Cut out the withers and contoured to fit your horse's back with a split design that allows the pad to move with the horse. The one-pad system perfect foe all disciplines.