Birkenstock | BOSTON NUBUCK LEATHER { BLUE/INDIGO BLUEThe BIRKENSTOCK Boston is a veritable classic that can easily be worn all year round. The Boston has a legendary status thanks to its sophisticated, individually adjustable design. This version with its grained upper boasts a striking yet natural design. The color coordinated details round off the shoes look of sophistication. The upper is made from high quality, soft nubuck leather that boasts a natural, rustic appearance. Anatomically shaped cork