Enjoy a calm, comfortable experience—no matter where your day off takes you. Made with soft yet supportive foam, the minimal design makes these Nike Calm "Velvet Brown/Hemp" Unisex Mule easy to style with or without socks. And the heel strap is both adjustable and removable to give you a personalized fit. <ul> <li>Contoured design is made from a single piece of foam for a smooth, seamless feel.</li> <li>Subtle texture pattern on the footbed adds grip even when wet.</li> <li>Side cutout adds just the right amount of breathability.</li> <li>Outer shell is made from water-friendly foam that is easy to clean.</li> <li>Rubber outsole gives you excellent traction even on slippery surfaces.</li> <li>Removable heel strap</li> </ul>