Contoured design provides anatomically correct fit and keeps the saddle in place. High quality American-made wool felt provides natural shock absorption. Channel down the spine provides pressure relief and allows for air flow. 1/2" Air Ride core provides added breathability and shock absorption. Merino Wool bottom keeps your horse cool by wicking sweat and moisture away from their back. Cutout underneath wear leathers. Measures 31.5'' x 34''.