Under Armour Micro G Split II Women's Running Shoes Revolutionary Micro G foam midsole delivers light, low, ultra-responsive performance cushioning for enhanced stability and comfort Signature UA HeatGear fabric wicks sweat away from your foot for a cooler, drier run Seamless construction delivers a second-skin fit External TPU heel counter and molded Ortholite sockliner deliver a locked-in, slip-free fit The outsole is composed of blown rubber in the forefoot for added cushion and carbon rubber in the heel for extra durability