The GEL-DS Trainer® 22 shoe features our revolutionary FlyteFoam™ Technology for the optimal lightweight ride with better bounce-back, cushioning, and a greater energy return between strides. The Dynamic DuoMax™ Support System and Propulsion Trusstic Technology creates a stable and responsive ride. Weight: 6.6 oz. Heel Height: 19mm. Forefoot Height: 9mm.