You know how hard it is to find a great fitting bra.  This bra fit well.  I measured around my chest at the bra line for the band size.  And then leaning forward measured around my hanging breast to find the correct cup size.  I measured a 40G!  Never would have guessed that was my size.  This bra fit.  The only problem I have is the band curls up in the front instead of laying flat.  But I think that is because of my shape.  I still have to wear two bras to get the support I need, but this one offers more support than most.  And it fits.