Saucony - Grid Motion 4 (Wht/Nvy) - Men's: Walkers looking for the ultimate blend of stability and cushioning, this shoe is for you!; Visible Grid System. Forefoot and rear foot HRC - provides the maximum in biomechanically correct shock absorption, responsiveness and cushioning. Dual density EVA midsole. Sauconys most popular fitness walking shoe, the Grid Motion, appeals to the serious walker looking for a combination of stability and cushioning. Shoe weighs 13.8 oz.