I find Berlei sizing varies greatly from style to style. I’m variously a 14 or 16 C, D, DD depending upon the style. In this one a 14DD fits me well with some length to spare in the band. I could probably get away with a 12 in the band length. It is a very comfortable and supportive bra, and well made. I deducted a star for Berlei’s lack of consistency in sizing which means you take pot luck or have to try the particular style on in a shop before buying online.