Pearl Izumi Women's EM Road H3 v2 Running Shoe 100% Synthetic Imported Rubber sole Fall/Winter 2016 Dynamic offset-shaped midsole features our most cushioned midsole platform and is biomechanically tuned rear-foot over-pronation. With 1:1 Energy Foam in heel cushions upon initial ground impact High-density post at medial heel thru mid-foot is engineered for pronation control. With 1:1 Energy Foam in forefoot cushions upon impact and returns energy back Blown rubber in the forefoot and carbon rubber in the crash pad combine for premium cushioning and abrasion resistance Dynamic Offset: 4mm at initial contact to 7.5mm at mid-stance. Heel Stack Height: 30mm (includes midsole, outsole and EVA Strobel board)