LeMieux Plain Pro-Sorb System Dressage Square Saddle Pad in Black. The Plain Pro-Sorb System Dressage Square Saddle Pad combines the Pro-Sorb system with the plain dressage saddle pad and is ideal for everyday and competition wear. The Pro-Sorb system offers extra cushioning under the saddle and flexibility for adjustment with the removable insert pads. The LeMieux Plain Pro-Sorb System Dressage Saddle Pad features D-ring straps for a better fit, double velcro girth straps with optional inner locking loop to prevent slipping and a strengthened girth protection area. Read more… The Dressage Saddle Pad features a waffle inner lining to control temperature, breathablility and wick away sweat. Available in Large (up to 18â€ ). Includes a set of four 10mm pads with an extra set of four 6mm pads.