Modeled on the cork original Arizona, this sandal is made from ultra lightweight and highly flexible EVA. They are shock absorbing, waterproof, and skin-friendly. Wear them at the beach, in the garden, or around the gym and after workouts -- just hose them off to freshen up!Anatomically shaped BIRKENSTOCK footbed made from EVA. Upper/lining/sole - one piece molded EVA. Details - two straps, each with an individually adjustable pin buckle; waterproof, washable, ultra lightweight. Made in Germany.