Product DetailsThis cult favorite celebrates its 20th version with massive weight reduction to be the lightest GEL-DS Trainer® in its storied history. Beloved for its perfect blend of moderate support and speedy ride, the new platform features comfortable and lightweight Dynamic DuoMax® and a Propulsion Trusstic® for a springy toe-off. Mild to moderate overpronators with a need for speed will applaud the new outsole configuration, updated with super lightweight DuoSole® Outsole, and the Seamless Construction of the sleek new upper. Weight: 8.7 oz. Heel Height: 20.5mm. Forefoot Height: 10.5mm.