Birkenstock Kay Kids Clog Sandals. Classic style, designed with kids in mind. The Kay clog gives them a convertible backstrap that swivels up or down for added security when they need it. In durable Birko-Flor® that's smooth for them and easy to clean for you. Sized down to support the littlest feet, this clog comes with all the comfort of our original contoured footbed. Contoured cork-latex footbed creates custom support with wear. Durable Birko-Flor® synthetic upper. Suede footbed lining helps keep them comfortable. EVA sole is flexible & lightweight. Convertible backstrap & adjustable front strap. Imported.