Waterproof Leather upper.Float-Lite topsole and midsole supplies exceptional cushioned comfort that lasts and lasts.Rugged Durabrasion Rubber™ outsole stands up to abuse and supplies great traction.Polyurethane footbed with microfiber provides long-lasting comfort. DetailsWomen's sandal.Quick-lace for easy adjustability on the fly.Non-wicking Ariaprene for easy cleaning.To wash, simply use soap, warm water, and a soft bristled brush (such as an old toothbrush).Do not machine wash.