From Birkenstock, the Women's Boston Big Buckle Nubuck Clogs feature: Nubuck leather upper Slip on design Adjustable strap with oversized buckle detailing Classic contoured cork footbed supports the arches of the foot Deep heel cup for all day comfort EVA outsole Imported. Styling Notes: Birkenstock footwear is made in European whole sizes. The style selected is a Birkenstock narrow footbed that will fit most medium feet