The GEL-Foundation 7 is a high-mileage trainer that provides a stable ride for the overpronator who needs just a bit more, but doesn't want to sacrifice flexibility, a cushioned platform, or a comfortable fit. The GEL-Foundation 7 features GEL® Cushioning Systems which attenuates shock during impact phase and toe-off pahses. PHF® (Personal Heel Fit), memory foam lined heel collar molds to athletes heel, creating a personalized fit. SpEVA® Midsole gives durability and shock attenuation. DuoMax® Support System helps ensure that the shoe maintains proper support for the foot during the critical transition from heel strike to toe-off.