A perennial favorite, the GEL-DS Racer® series celebrates its tenth version with a modern design and over an ounce in weight reduction. This long distance racing flat is ideal for mild to moderate overpronators, with DuoMax® Support System and Trusstic System® providing a responsive and go-fast stable ride. Weight: 5.2 oz. Heel Height: 17mm. Forefoot Height: 9mm.