Built for post-grind comfort the Men's Nike Calm 2.0 Slide Sandal brings effortless ease to every step on or off duty. Water friendly foam upper in a slide sandal style with an open toe. Backless slip on entry. Water-friendly design makes them ideal for the beach or pool. Contoured design is made from a single piece of foam for a smooth seamless feel. Updated design uses an extra-forgiving solar foam for ultimate comfort while outsole cutouts provide more flexibility than the original. Subtle texture pattern on the footbed adds grip even when wet. Rubber outsole gives you excellent traction even on slippery surfaces.