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 offers easy on/off and lets you instantly secure the sandals when navigating whitewater or rocky trails Iconic KEEN toe bumpers offer durable protection and no stubbed toes EVA insoles provide arch support for all-day comfort Pesticide-free Eco Anti-Odor natural odor control keeps the sandals fresh Grippy, razor-siped soles won't leave marks on floors or boat decks Original KEEN comfort fit offers plenty of room for toes to spread out Machine washable for easy care—use a small amount of detergent, wash on gentle cycle, and air dry