Birkenstock Women's Arizona  Birko-Flo Cacao Microfiber Sandals - 37 M EU / 6-6.5 2A(N) US Microfiber Imported Synthetic sole Birkenstock&reg; Size Chart Please be advised that the Birkenstock&#174; Narrow width accommodates both traditional narrow and medium widths. Click here for more information about Birkenstock's widths. An animal-free version of the popular Arizona clog. Microfiber upper and lining. Dual adjustable buckle strap. Contoured cork footbed conforms to the shape of your foot and features pronounced arch support, a deep heel cup, and roomy toe box; lined with microfiber. Light and durable EVA outsole. Made in Germany. Measurements: Heel Height: 1 in Weight: 6 oz Platform Height: 1&frasl;2 in Product measurements were taken using size 36 (US Women's 5-5.5), width Narrow. Please note that measurements may vary by size.