Pearl Izumi Men's EM Road H3 Running Shoe 53% Textile/47% Synthetic Imported Rubber sole Seamless upper provides support and structure in a lightweight seamless package. Transfer dry spacer mesh keeps feet cool and comfortable Biomechanically tuned e:motiontm midsole features our most cushioned and stable platform. 1:1 energy foam in forefoot cushions upon impact and returns energy back 1:1 energy foam in heel cushions upon initial ground impact. High-density post at heel through mid-foot for pronation control Heel stack height: 25 mm (includes midsole and outsole). Dynamic offset: 4 mm at initial contact to 7.5 mm at mid-stance Carbon rubber in the forefoot and crash pad offers long lasting cushioning and excellent abrasion resistance