This running shoe is built for the mild over-pronator who requires a combination of cushioning and stability. Take your run with total confidence, stability, and comfort in this updated lower profile shoe. Upper consists of breathable sandwich mesh with supportive overlays. Midsole consists of Air-Sole in heel and Zoom Air unit in forefoot, PU crash pad for reduced pronation, soft Rideliner PU footbed for long lasting cushioning, and dual density for greater shock absorption. Nike+ enabled allows you to insert Nike+ technology into the shoe to keep track of your progress. Outsole consists of Nike Fitsole sockliner, EVA Strobel, and Duralon in the forefoot with BRS 1000 rubber in the heel for lightweight cushioning, traction, and durability.