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 back Blown rubber in the forefoot and carbon rubber in the crash pad combine for great 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)