From Birkenstock, the Women's Lutry 365 Suede Back Strap Clogs feature: Classic suede upper Convertible backstrap with adjustable metal pin buckle Suede footbed lining helps keep you comfortable Classic contoured cork footbed supports the arches of the foot Deep heel cup for all day comfort Grippy rubber cork blend 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