This dramatic update takes the GEL-Sendai™ to a bold new level of performance. The GEL-Sendai™ 2 packs in features like FluidFit®, discrete GEL® Cushioning System, Heel Clutching System™, and Propulsion Trusstic®, yet comes in almost a half ounce lighter than the previous version. This high-tech ride is designed to accommodate gaits ranging from mild underpronators to moderate overpronators. Weight: 10.4 oz. Heel Height: 21mm. Forefoot Height: 11mm.