Pearl Izumi Women's W EM Road N 1 V2 Running Shoe 100% Upper: Textile/Rubber/Plastic; Sole: 100% Rubber Imported Synthetic sole 3-d seamless print upper technology adds lightweight structure and upper integrity Dynamic offset-shaped emotion midsole is biomechanically tuned for a neutral to supinator running gait 11 energy foam in forefoot cushions upon impact and returns energy back to the runner during propulsion Blown rubber in the forefoot and carbon rubber in the crash pad combine for premium cushioning and abrasion resistance Dynamic offset 1 millimeter at initial contact to 4.5 millimeter at mid-stance , heel stack height 19 millimeter includes midsole and outsole