Derby Originals Extra Comfort All Purpose English Saddle Pad with Removable Memory Foam Features two Velcro close pockets with removable memory foam inserts to ensure comfort for both horse and rider. Designed with circle quilted, heavy duty soft cotton twill fabric. Velcro billet keepers and girth loops to prevent tack from shifting. Breathable spine to ensure air flow. Sizing: Spine: 23, Drop: 20, Width at widest point : 26.