Birkenstock women's Arizona Big Buckle sandal, iconic slide sandal with elegant bug buckle. Adjustable two-strap with big metal buckle. Leather upper and leather footbed lining. EVA outsole. Made In Germany. Birkenstock footwear is manufactured in two widths: regular and narrow. Narrow width is designed to accommodate an A-B width for women and fits more like a medium than a true narrow.