Dressage Saddle Pads | PRI Pacific Rim International Popular PRI Dressage Saddle Pads The underside of this pad is a soft flannel backing. (Note: the color of the underside may vary from what is shown in the photo(s). This purple dressage saddle pad features a thin, contrasting black piping/trim. Cotton and Flannel Shell with Foam Padding Approximate Measurements: Spine length: 24", Across: 25" Drop: 21". Measurements are not guaranteed to be exact. Please allow for a tolerance of +1.5"/-1.5".