NWT Birkenstock Arizona Big Buckle Sandals in a beautiful, neutral suede with matte gold buckles. These are super cute, extremely comfortable and look great in person. Size 40. I wear a 9 in sandals and this is my preferred size in this Birkenstock sandal but could also fit a 9.5. From Birkenstock: The legendary two-strap design from BIRKENSTOCK with an amplified buckle accent - the Arizona Big Buckle. This version features a large, elegant buckle creating a bold yet minimalist design. Shown in nubuck leather. Anatomically shaped cork-latex footbed Upper: nubuck leather Footbed lining: suede Sole: EVA Details: two straps, each with an individually adjustable metal pin buckle “Made in Germany”