NWT Size 39 Oversized buckles cinch the standout look of a sandal that pairs soft leather with the legendary Birkenstock footbed for time-tested comfort. Biometrically molded EVA cushioning absorbs shock and mimics the shape of a healthy foot, while pronounced medial and metatarsal arches support the instep and ball as you walk or stand. Support: enhances the fit with targeted contouring and cushioning in the footbed Adjustable straps with buckle closures Contoured footbed with arch support Flat sole Leather upper and lining/synthetic sole