Saucony Women's ProGrid Trigon 5 Ride Running Shoe 100% Nylon Cushioning Impulse EVA midsole provides increased shock attenuation, responsive cushioning, durability and rebound properties Heel ProGrid with Respon-Teck absorbs impact, dissipates shock, and sets the foot up for a smooth transition SRC Impact Zone and SRC Xtra forefoot cushioning provides shock attenuation and cushioning 10 oz