Birkenstock unisex Arizona slide sandal size 38. Stone green color Continuing to impress season after season, the Birkenstock Arizona could just as easily be part of your summer work wardrobe as they are your city-exploring slides. The cork-sole is anatomically formed like the original to provide unrivalled cushioning and support, while up top, the brand use Birkibuc® fabric - a durable, synthetic material with a nubuck-like texture and a soft backing. Birkibuc® Uppers Adjustable Straps Cork-Latex Footbed EVA Sole Made in Germany