The BIRKENSTOCK Arizona BIG BUCKLE black oyster is a genuine classic that has been delighting both men and women with its timeless design for decades. This version brings two popular designs together. It features a faded metallic look with a subtle vintage effect and a large, elegant tongue buckle. The vintage effect can vary from shoe to shoe and comes to the fore the more it is worn. The color-coordinated outsole rounds off the shoes look of sophistication. The upper hugs the foot like a second skin.