Saucony - Fastwitch - Speed (White/Silver/Red) - Men's: Geared towards efficient runners who perform shorter, faster paced races. The Fastwitch Speed strives for minimal weight while maximizing energy transfer properties. The Speed version features a low-profile outsole manufactured from a thin, firm carbon rubber, an extended midfoot bridge, and Grid Return. Compression molded EVA midsole is durable, lightweight, and provides responsive cushioning. Grid return in forefoot provides cushioning and stability. EVA midfoot support bridge keeps the foot neutral in the midfoot phase of the gait cycle. XT-600 carbon rubber outsole offers outstanding abrasion and traction properties. Designed for under-pronators to neutral runners. Shoe weighs 7.6 oz.