Fresh Foam midsole cushioning is precision-engineered to deliver an ultra-cushioned, lightweight ride Mesh upper with zonal support and breathability Reflective N logo keeps you visible on low-light runs Data-informed outsole placement The most Fresh Foam used in any shoe to date, the latest in the line utilizes more Fresh Foam X, stacks it higher than ever before, and distributes it across the length of this trainer, offering a plush, yet stable underfoot experience. A data-driven outsole applies strategic cushioning and flex zones for a natural stride while the shoe's rocker profile promotes a smooth transition and ride. All of this sits beneath an engineered mesh upper that keeps you locked with breathable comfort and support.