From Birkenstock, the Women's Arizona Nubuck Big Buckle Hardware Slide Sandals feature: Suede nubuck upper Oversized buckles for a more elevated look Slip on design with double adjustable buckles for a custom fit Birkenstock contoured cork footbed supports the arch of the foot and features a deep heel cup for all day comfort EVA outsole for traction and cushion Flat heel 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.