The Birkenstock Arizona SFB Unisex Tabaco Brown Sandals are sandals feature two adjustable straps with metallic buckles that can be customized to fit the foot comfortably.The upper material is made of oiled nubuck leather which is durable and easy to maintain. The leather also has a soft velvety texture that feels comfortable against the skin. The footbed of the Birkenstock Arizona SFB Sandals is made of the brand's signature cork-latex material which is anatomically shaped to support the foot's natural contours. The footbed also has a deep heel cup a roomy toe box and a suede lining that helps wick away moisture keeping the feet cool and dry. The sole of the Birkenstock Arizona SFB Sandals is made of EVA a lightweight and flexible material that provides cushioning and shock absorption.