Pearl iZUMi Men's EM Road N 3-M 100% Textile and Synthetic Imported Synthetic sole 3-d seamless print upper technology adds lightweight structure and upper integrity Dynamic offset-shaped emotion midsole is biomechanically tuned for the neutral runner looking for maximum cushioning and all-day comfort 11 energy foam in forefoot cushions upon impact and returns energy back to the runner during propulsion, 11 energy foam in heel cushions upon initial ground impact Blown rubber in the forefoot and carbon rubber in the crash pad combine for premium cushioning and abrasion resistance Dynamic offset 4 millimeter at initial contact to 7.5 millimeter at mid-stance, heel stack height 27mm includes midsole and outsole