Birkenstock Boston Shearling Clog in Antique White. Size 40 / US 9. Medium/narrow width. Only worn a couple of times, like new. The Boston clog, made cozy for the colder months. Classic suede lends a velvety feel that continues on the inside. The style is fully lined in genuine shearling, right down to the original contoured footbed. A soft, supportive landing every time. Anatomically formed cork and latex footbed Classic suede upper Genuine shearling footbed lining Flexible EVA sole Adjustable strap with metal pin buckle