Birkenstock Betula Swing Sandals W Sz 6 M Sz 4 In good, used condition with plenty of life left in these sandals. Leather upper with cork footbed! Upper is blue with sparkles. Unique Birkenstock shoe! Pair with a boho skirt or some vintage denim shorts for the perfect outfit! Make me an offer! Bundle 3 or more items for 15% off my shop!