Made with an advanced grade 100% wool, consisting of 80% virgin fibers Felt is pressed for better compression rebound and a much longer life than typical synthetic or needled felt pads Superior ability to disperse pressure, wick away moisture and diffuse heat Super soft and pliable, it easily and naturally conforms to the horses back Extremely durable, long lasting and provides increased shock absorption and comfort against your horse cut out over withers and contoured to fit close to your horses back  1/2 inch 1,3 cm