The Birkenstock Milano EVA Black is a back-strap sandal modeled on the cork original and made with ultra-lightweight and highly flexible EVA. This classic sandal is shock-absorbing and skin-friendly. It features an anatomically shaped BIRKENSTOCK footbed made from EVA, EVA insole, and outsole. The waterproof sandal also features three straps, each with an individually adjustable resin pin buckle.