This pad is constructed of comfortable moisture-wicking felt, with rugged wear leathers and canvas cover, making it durable to withstand everyday use. Six shim pockets are strategically located giving you the ability to correct a variety of saddle fitting issues by removing the felt shim pads that are included with this pad. The western contour shim saddle pad can used as a stand-alone pad or under a saddle blanket.32" x 32", 3/4" felt base