These are in excellent condition, I have only worn them once. The soles look dirty because they’re so white but could easily throw them in the washing machine. Size 40 (Eur). The legendary two-strap design from BIRKENSTOCK - the Arizona. Modeled on the cork original, this sandal is made from ultra lightweight and highly flexible EVA. These sandals are shock absorbing, waterproof, and skin-friendly. Wear them at the beach, in the garden, or around the gym and after workouts. It's the perfect addition to your classic BIRKENSTOCK sandals. Upper/lining/sole: one piece molded EVA Details: two straps, each with an individually adjustable pin buckle; waterproof, washable, ultra lightweight Anatomically shaped BIRKENSTOCK footbed