BBBF are also sized like girl clothes, i.e., 1, 2, 3, etc. Each size corresponds to one -- and one only -- neck size, body cut and sleeve length. Girl clothes? Come on. It's also the way euro RTW shirts are sized. Perhaps, due to your long stay in Bespokistan, you have forgotten. The BBBF sizing system in particular, however, is borrowed from TB's main line.