BIRKENSTOCK Boston BS Color: Black Size: 40 (26.0cm) Regular Fit I received these as a gift the other day, but unfortunately, the size didn't fit, so I'm reluctantly putting them up for sale. I wore them once for about 10 minutes for a walk around the neighborhood. Since the usage time was short, they are almost in new condition. I will send them with the original box. Please understand that these have been stored at home. Color...Black系 (Black-based)