From Birkenstock, the Women's Boston Oiled Leather Buckle Strap Clogs feature: Oiled leather upper features a soft, distressed leather that emphasizes a handcrafted and natural look Slip on design Adjustable strap with oversized buckle detailing Synthetic lining Classic contoured cork footbed supports the arches of the foot Deep heel cup for all day comfort EVA outsole This style uses an antique oil finish that allows the natural character of the leathers to shine through; This may result in slight color variations from pair to pair Imported. Sizing Notes: Birkenstock footwear is made in European whole sizes. The style selected is a Birkenstock narrow footbed that will fit most medium feet.