Based on Circle Y's saddle fitting experience, they have introduced this bridge pad to accommodate a horse with a back that is either dropped or swayed. It's available in two widths. This bridge pad is not a full pad; it is a smaller pad to fit under a normal full size pad. The 3/4" would be for a horse with a moderate sway back; the 1" bridge pad would be for a more severe sway back. It's designed to fit under your regular saddle pad and is made with memory foam allowing the gaps to be filled between the horse and saddle. This provides a much more comfortable saddle fit for the horse because it will disperse the rider's weight more evenly. Encased in cotton spandex for easy care. Approximate Measurements ( both sizes ) : 13" L x 8" D Color: Black