Part water sandal, part hiker. The original hybrid sandal, 50 million adventures and counting. FEATURES Higher-traction rubber outsole Multi-directional lug pattern with razor siping Eco Anti-Odor for natural odor control Original Fit–Iconic KEEN fit with generous space across forefoot for toes to spread out MATERIALS Washable polyester webbing upper Lace-lock bungee system Quick-dry lining for active use EVA insole with arch support for all-day comfort Non-marking rubber outsole leaves no trace WEIGHT 14.14oz / 401g CARE Keen's water sandals are machine washable. Use a small amount of detergent, wash on gentle cycle, and air dry.