These two-strap wonders are a comfort legend and timeless fashion staple. Birkenstock Women’s Arizona Birko-Flor Sandals - Narrow boast adjustable double straps and magical cork footbeds that conform to the shape of your feet for a truly custom fit. The Birko-Flor® uppers are made of easy-to-care-for PVC and lined inside with a soft, breathable layer of fleece. Flexible and lightweight EVA outsoles provide cushioning and shock absorption for all-day comfort and support in every step.