From Birkenstock, the Women's Arizona Big Buckle Hardware Leather Slide Sandals feature: leather upper Double adjustable oversized buckles for a custom fit Contoured cork footbed supports the arches of the feet and cradles the heel for all-day comfort Flat heel Unlined 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.