Nike Women's Air Zoom Structure 19 Running Shoes - Black / White - UK 2.5Nike Women's Air Zoom Structure 19 Running Shoes Black White UK 2. 5 The Nike Air Zoom Structure 22 Running Shoes look fast and feel secure. Engineered mesh, a heel overlay and dynamic support throughout the midfoot all work together to provide a smooth, stable ride. A Zoom Air unit creates responsive, low profile cushioning, with Duralon blown rubber in the forefoot for enhanced comfort. A Nike Swoosh is an iconic finish. Lace fastening Flywire