Nike Calm Men's Flip Flops Enjoy a calm, comfortable experience—no matter where your day off takes you. Made with soft yet responsive foam, these lightweight flip flops are easy to style and easy to pack. While the water-friendly design makes them ideal for the beach or pool, the minimalist look is elevated enough to wear around in the city. Time to slide in and check out. Contoured design is made from a single piece of foam for a smooth, seamless feel. Subtle texture pattern on the footbed adds grip even when wet. Outer shell is made from water-friendly foam that is easy to clean. Rubber outsole gives you excellent traction even on slippery surfaces.