FEATURES: Lace-lock bungee system with adjustable hook-and-loop heel strap for easy on & off. Multi-directional lugs for increased traction Non-marking rubber outsole leaves no trace EVA insole with arch support for all-day comfort KEEN.FUSION rubber for lightweight durability Eco Anti-Odor for natural odor control Quick-dry lining for active use Machine washable. Use a small amount of detergent. Wash on gentle cycle and air dry.