Pearl Izumi Women's EM Road N2 v2 Running Shoe Mesh^Synthetic Imported Rubber sole New 3-D Seamless Print Upper technology adds lightweight structure and upper integrity.Transfer dry spacer mesh keeps feet cool and dry New Dynamic offset-shaped E:MOTIONTM midsole is biomechanically tuned for a neutral to supinator running gait 1:1 Energy Foam in forefoot cushions upon impact and returns energy. New 1:1 Energy Foam in heel cushions upon initial ground impact Blown rubber in the forefoot and carbon rubber in the crash pad combine for great cushioning and abrasion resistance Dynamic Offset: 4 millimeter at initial contact to 7.5 millimeter at mid-stance. Heel Stack Height: 23 millimeter (includes midsole and outsole)