<ul> <li>​ReactX Foam offers a smoother, more responsive ride with a reduced environmental impact.</li> <li>Zoom Air Units provide a springy, energized feel with every step, thanks to the always-speedy Zoom Air engine.</li> <li>The broader fit offers more room in the forefoot and heel for a stable and comfortable fit.</li> <li>The lightweight and breathable engineered mesh upper ensures optimal airflow and a lightweight feel.</li> <li>The secure fit with an internal midfoot band and molded fit provides a comfortable and locked-in feel.</li> </ul>