Birkenstock Rio sandals To go with their sparkling personality. A starry night upper transforms the kids' Rio sandal into their favorite pair. With a secure backstrap and contoured footbed support for play-all-day support. Contoured cork-latex footbed creates custom support with wear Sparkly, coated Birko-Flor® synthetic upper Suede footbed lining Flexible EVA sole Hook-and-loop backstrap, adjustable strap with metal pin buckle Made in Germany NWT in the box Size 26 EU (8 US) narrow fit Soft metallic red