Only worn a couple of times, they are super comfortable and great for the upcoming warm season. They are a size 37 EU which is about a size 7 in women’s US. An asymmetric eye-catcher! The BIRKENSTOCK Yao is popular with people who like unusual fashion and is sure to turn heads. The upper is made from the skin-friendly, hard-wearing synthetic material Birko-Flor®. Anatomically shaped cork-latex footbed Upper: Birko-Flor® Footbed lining: suede Sole: EVA Details: two straps, each with an individually adjustable metal tongue buckle “Made in Germany” Questions? Leave a comment below!