DESC: Free Shipping Last: Standard Saucony Last for the classic Saucony fit; wide in the forefoot, narrow in the heel. Strobel technique. Cushioning material: Full length ProGrid with Respon-tek. Weight: 12.9 oz. Technology: ProGrid Cushioning System, Dual Density SSL EVA, and SRC Impact Interfaces with HRC Strobel Board Additional Features: Ortholite sockliner, Medial MCD works with the 2nd Impulse EVA to slow the rate of pronation, Arch Lock Midfoot Wrap and a moisture wicking lining. Upper: Air Mesh Upper and lightweight support overlays. Widths M = Medium, W = Wide