<ul> <li>Knit upper provides lightweight fit and airy feel to help your feet stay cool.</li> <li>Extra-large window to your Max Air unit gives you bold style and a look at the cushioning that helps deliver lasting comfort.</li> <li>Two-piece foam midsole feels soft and comfortable.</li> <li>Stretchy inner sleeve and bootie-like construction creates a personalized fit.</li> <li>Rubber on the outsole adds traction and durability.</li> </ul>