Fila Technical - Flow Sanctuary W (White/Little Boy Blue-Fila Navy) - Women's: Created for the runner with medium to low arches and somewhat flexible arches who requires moderate guidance to ensure proper tracking throughout the gait cycle. Dynamic Landing System(tm) ensures a smooth transition and the correct level of protection for each foot-type. Super Action&trade sole provides ultimate cushioning. SA(tm) midsole creates a dynamic propulsion effect, the ultimate shock absorption in the heel and responsive cushioning for quick energy return in the forefoot. Ever-Grip(tm) exclusive lightweight rubber compound that ensures superior traction and grip. Ever-Grind(tm) metal flakes have been added to the extended-wear carbon rubber ensuring that the heel-strike area will last 80% longer than traditional outsoles.