Polyester webbing uppers and quick-dry linings are happy on land and in water, so you can go right through streams and keep on hiking Lace-lock bungee system lets you instantly secure the sandals Original KEEN comfort fit offers plenty of room for toes to spread out Iconic KEEN toe bumpers ensure durable protection and help safeguard against stubbed toes EVA insoles provide arch support for all-day comfort Pesticide-free Eco Anti-Odor natural odor control keeps them fresh Grippy, razor-siped outsoles won't leave marks on floors or boat decks Machine washable for easy care