These are US 9 - 9.5/ EU 40 The BIRKENSTOCK Buckley is a semi-open moccasin-style clog that’s instantly recognizable as an authentic BIRKENSTOCK original thanks to its exposed cork footbed. Here, the classic model comes in a particularly cozy version with genuine shearling and a statement buckle. The perfect shoe for chilly evenings! The upper is made from soft suede leather. Anatomically shaped cork-latex footbed Upper: suede Footbed lining: genuine shearling Sole: EVA Details: one strap with an individually adjustable metal pin buckle Made in Portugal Footbed Made in Germany