Stylish Birkenstock sandals. Size 6 1/2 Metallic silver / Gray. Light weight with adjustable straps. Ideal for casual outings. Best selling sandal in an ultra-lightweight style. The Arizona EVA sandal is made from water-friendly material, giving you a flexible design built on the contoured footbed. The perfect throw-and-go style for everything from the pool to post-workout. Used, with minimal scratches. Please review pictures. They are a metallic silver/ Gray size 37 German size or 6 1/2 American size. Contoured footbed for legendary BIRKENSTOCK® support. Made from single piece of EVA Water-friendly, lightweight & flexible Two adjustable straps with pin buckles Made in Germany Stylish Birkenstock sandals for kids. Light gray with adjustable straps. Ideal for casual outings.