Cashel Dressage Reverse Wedge Cushion Saddle Seat Pad, Size Choice: Medium 20 inches, Large 21 inches or Extra Large 22 inches Size Choice: Medium 20 inches, Large 21 inches or Extra Large 22 inches Gradually decreasing in thickness from front 1-1/4 inches to back 1/2 inches Ideal for providing additional padding for the high withered/narrow shouldered horse Helps prevent the saddle from sliding forward Can be used to level the saddle