Waterproof leather and slip-resistant. Non-marking rubber outsole leaves no trace. Stability shank delivers lightweight support. Recycled PET plastic bungee cord and lace-lock system. Eco Anti-Odor for natural odor control. Contoured arch for midfoot support. Slip-on design. Upper contains recycled PET plastic bottles. EVA midsole for lightweight cushioning. Quick-dry lining for active use. Machine washable. Use a small amount of detergent, wash on gentle cycle, and air dry.