Pegasus butterfly, Extra deep seat Dressage, 17 1/2 half inch seat. This is a good fit for a rider who is a 17 or 17 1/2. Comes with small, medium and large Velcro mounted knee blocks. Interchangeable, short and long girth billets. Specifically designed for a short back horse: the bearing surface of the panels is only 16 1/4 inches long. Very soft synthetic wool flocked panels. Self adjusting tree, designed for medium to extra wide backs. This one demo saddle include Saddle Pad, and stirrup Leathers and girth!