Worn twice- see below for description for the Birk website- size 38 = 7-7.5 An icon since 1963, the Madrid redefined sandals with its contoured footbed and a single, sophisticated strap. A gleaming big buckle accessorizes the style to stand out. With an original contoured footbed for support, it'll feel uniquely yours wherever you take it. Contoured cork-latex footbed creates custom support with wear Premium nubuck leather upper Suede footbed lining helps keep you comfortable EVA sole is flexible & lightweight Adjustable strap with oversized metal pin buckle Made in Germany