Pearl Izumi Men's EM Road M2 v3 Running Shoe 52% Textile/48% Rubber Plastic Imported Rubber sole Fall/Winter 2016 Dynamic offset-shaped midsole is biomechanically tuned for a mild over-pronation running gait. With 3-D Seamless Print Upper Technology Reflective tongue mesh, laces and heel area elements keep runners safe and seen. With 1:1 Energy Foam in forefoot cushions upon impact and returns energy back High-density post at medial mid-foot is engineered for pronation control. With 1:1 Energy Foam in heel cushions upon initial ground impact. Blown rubber in the forefoot and carbon rubber crash pad Dynamic Offset: 4 mm at initial contact to 7.5 mm at mid-stance. Heel Stack Height: 26 mm (includes midsole, outsole and EVA Strobel board)