NIKE ZOOMX brand running shoes. Size 9.

NIKE ZOOMX brand running shoes. Size 9. Gently worn. Nike ZoomX Magically Energetic Foam Our lightweight Nike ZoomX foam cushioning uses cutting-edge engineering to give you the greatest possible energy return, turning the impact of your step into energy for your next stride. What Is Nike ZoomX? Nike ZoomX is lighter, softer and more responsive than any Nike foam, designed to maximize speed by delivering greater energy return. ZoomX was derived from a foam traditionally used in aerospace innovation, applied for the first time in performance footwear in the Nike Zoom Vaporfly Elite and 4%.