Native Men's Jefferson Water Shoe 100% Synthetic Imported Synthetic sole Shaft measures approximately low-top from arch Features: Beast Free, Shock Absorbent, Odor Resistant, Mondo Lite Weight, Hand-Washable Details: Injection Molded EVA Upper, Rubber Rand and Toe At very step Native ensures our production processes are cleaner and greener. We're proud of our unique, low-emission manufacturing process and our foam-injection molding process produces low waste. Our shoes contain no animal by-products and are packaged and shipped using recyclable materials. Native Shoes are REACH and CPSIA compliant, BPA, phthalate, formaldehyde and hazardous materials free. We recommend washing with mild soap, warm water and soft cloth or brush. We do NOT recommend putting Native shoes in the washing machine, dryer or dishwasher under any circumstances.