The Asics Gel-DS Trainer™ 25 running shoe is an excellent choice for runners who want to go fast. The shoe helps you achieve those running goals with a great fit around the midfoot and lightweight FLYTEFOAM® technology in the midsole for a snappy response. The PROPULSION TRUSSTIC ™ technology in the shoe's outsole mirrors the foot's ligaments, creating a powerful lever to propel your stride. GEL® technology in the rearfoot also adds cushioning to reduce the severity of shock upon impact. A specialized panel on the inside of the shoe helps provides a great overall fit, whiel the new contoured sockliner mirrors the natural shape of the foot to promote greater comfort. Additionally, the full ground contact design of the outsole formulates a smooth transition from foot strike to toe off. Comfortable, powerful and light, the GEL-DS TRAINER™ 25 shoe has everything you need to pick up your pace.