The Birkenstock Arizona Big Buckle in Sandcastle is a refined take on the classic Arizona silhouette, featuring oversized metal pin buckles for a bold, elevated look. The upper is crafted from soft nubuck leather that develops a natural patina over time, paired with Birkenstock's signature anatomically shaped cork-latex footbed for long-lasting support and comfort. A suede footbed lining enhances softness, while the lightweight EVA outsole ensures flexible, shock-absorbing wear. Made in Germany, this style blends everyday comfort with a more fashion-forward aesthetic through its statement buckle design.