Wide straps in softest nubuck crisscross over these refined sandals by Birkenstock®, with classic, molded, cork footbeds and adjustable buckles. Nubuck. Germany. Euro whole sizes 36 to 42. 36 (US 6), 37 (US 6.5), 38 (US 7.5), 39 (US 8.5), 40 (US 9.5), 41 (US 10), 42 (US 10.5).