Arizona Essentials EVA in Color Black | BIRKENSTOCK US。MENs New with no box Size 39 6- 6.5 and 41 8 -8.5 Black Birkenstock modernizes its signature two-strap sandal with the Arizona Essentials EVA, offered in a versatile black colorway. Flexible and super lightweight, the EVA edition of the Arizona is completely waterproof too - making it a perfect choice for the beach, pool, and general everyday wear. Molded with a contoured footbed and a deep cupped heel, The Birkenstock Arizona Essentials EVA sandal comes finished with adjustable straps for a custom fit.