Nike Calm 2.0 Slides. Enjoy a calm, comfortable experience—no matter where your day off takes you. Made with soft yet supportive foam, the minimal design makes these slides easy to style with or without socks. And they’ve got a textured footbed to help keep your feet in place. Contoured design is made from a single piece of foam for a smooth, seamless feel. Textured footbed provides grip to help keep your feet in place. Outer shell is made from water-friendly foam that is easy to clean. Rubber outsole gives you excellent traction even on slippery surfaces. Imported.