Birkenstock Arizona Big Buckle Sandals Black UpperThe Birkenstock Arizona Big Buckle Sandals Offer A Refined Update Of A Brand Icon With A Bold Contemporary Twist crafted From Natural Leather With A Patent Finish They Feature Oversized Adjustable Metal Buckles That Elevate The Classic Slip On Silhouette the Anatomically Inspired Design Ensures Everyday Comfort While The Lightweight Eva Sole Provides Flexibility And Ease Of Wear natural Patent Leather Upper two Straps With Large Adjustable Metal Pin