FEATURES: Slide in and stay snug with a stretchy opening and adjustable bungee laces. Multi-directional lugs for increased traction Non-marking rubber outsole leaves no trace PU insole with arch support for long-lasting comfort Contoured Fit-Follows foot's contours for a more secure fit Breathable air-mesh upper for cooler feet all summer long. Runs true to size Machine washable. Use a small amount of detergent. Wash on gentle cycle and air dry.