100% polyesterMade in the USA and ImportedRubber soleBungee lace capture system*Cleansport NXT for natural odor controlHydrophobic mesh lining. Non-marking rubber outsole. Compression molded EVA midsoleMETATOMICAL FOOTBED DESIGN. This internal support mechanism is anatomically engineered to provide excellent arch support and cradle the natural contours of the foot.All KEEN water sandals are machine washable. Use a small amount of detergent, wash on gentle cycle and air dry.