BIRKENSTOCK THE MADRID EVA SANDAL, SIZE 40 (9-9.5). Great pair of water-friendly, EVA Birks for the summer. Deep olive green. One strap Madrid style with adjustable strap/buckle. Contoured footbed for comfort. I wore these a few times and they are in EXCELLENT, GWC, with some wear seen in soles. The Madrid EVA lets you take the iconic style you love wherever water is found. Made completely from ultra-lightweight EVA, this style is water-friendly and flexible. Experience the benefits of our anatomically shaped footbed, whether you're headed to the gym or the pool. Anatomically shaped BIRKENSTOCK footbed Made from a single piece of molded EVA Water-friendly and ultra-lightweight Made in Germany