The Birkenstock Zermatt is their first true slipper. It features Birkenstock’s iconic cork latex footbed, and to keep you extra cozy, it’s fully lined in genuine shearling that will keep your feet warm all winter long. The upper consists of soft genuine wool. Size 39 = US Size 6-6.5 men’s, women’s 8-8.5 Made in Italy. One of the size tags in one slipper is loose. Shown in the last photo. From a smoke and cat free home.