From Birkenstock, the Women's Sydney Luxe Buckle Hardware Slide Sandals feature: Birko-Flor upper: Made of easy-to-care-for and hygienic PVC, which has been lined on the inside with a soft, breathable layer of fleece. This high-quality material is very gentle on the skin, and it's comfortable while also being very durable. Double-banded design with adjustable buckles Classic contoured cork footbed supports the arches of the foot Deep heel cup for all-day comfort EVA outsole 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.