NIKE Air Zoom Vomero+ 7 Running Shoes Breathable Mesh Upper - With stretch panel for midfoot support keeps your foot dry from sweat but yet secure. Zoom Air Units - In the heel and forefoot combine with a full Nike Cushlon midsole for a supremely cushioned and responsive ride. Natural Motion Engineered Flex Grooves - For enhanced flexibility and a smooth, efficient stride EVA Strobel Outsole with Duralon - In the forefoot and BRS 1000 in the heel delivers the ultimate fit, feel and durability. Asymmetrical Arch Bridge - Gives more support where it is needed meaning you are less likely to suffer from your arches collapsing or hurting.