FEATURES of the Pearl Izumi Women's EM Road N 3 Shoe 3-D Seamless Print Upper Technology adds lightweight structure and upper integrity NEW Dynamic offset-shaped E:MOTION midsole is biomechanically tuned for the neutral runner looking for maximum cushioning and all-day comfort 1:1 Energy Foam in forefoot cushions upon impact and returns energy back to the runner during propulsion 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 premium cushioning and abrasion resistance.