Birkenstock Women's Madrid Essentials Sandals Slides Khaki Green; excellent condition Our classic one-strap sandal, now available in a no-fuss, waterproof EVA. Super lightweight - great for the gym or the beach. Minor dirt on the top and bottom of shoe Color: Khaki (olive green) Size EU 39 which is about a US women's size 8-8.5 (see size chart)