FEATURES of the Pearl Izumi Men's Em Road M 2 Shoe New 3-D Seamless Print Upper Technology adds lightweight structure and upper integrity 1:1 Energy Foam in forefoot cushions upon impact and returns energy back to the runner during propulsion New Dynamic offset-shaped E:MOTION? midsole is biomechanically tuned for a mild pronation running gait High-density post at medial mid-foot is engineered for pronation control SPECIFICATIONS of the Pearl Izumi Men's Em Road M 2 Shoe Dynamic Offset: 4 mm at initial contact to 7.5 mm at mid-stance Run shoe heel stack height: 23 mm (includes midsole and outsole) Weight? Size 9: 9.9 oz, 281 g.