The BIRKENSTOCK Barbados is a sporty slide design with an embossed upper and logo lettering. Modeled on the cork sandal, this sandal is made from one piece of light, flexible and waterproof molded EVA. Anatomically shaped BIRKENSTOCK footbed made from EVA Upper/footbed lining/sole: molded single piece of EVA Details: waterproof, washable, ultra lightweight Made in Germany EVA (ethylene vinyl acetate) is a high-quality, very light, elastic material with extremely good cushioning. As a result, it smooths out slight irregularities in the floor and ensures that every step is softly cushioned.