Give your kids an update on a decades-old classic with the Birkenstock(R) Kids' Rio Essentials EVA sandals. Modeled after the cork sandal, which debuted in the 1970s, the kids' Rio features an anatomically shaped footbed for contoured comfort to support their every move. The lightweight, one-piece EVA construction is waterproof and washable, making it an all-around favorite for kiddos to run and play in. Introduce a new generation to Birkenstock(R) with the Rio. FEATURES: Anatomically shaped Birkenstock(R) EVA footbed for contoured comfort One-piece, waterproof EVA construction that absorbs shock and remains lightweight Made in Germany Sizing tip: The fit of this style is a medium width but may be listed by Birkenstock(R) as narrow.