23-03-2014, 18:56
The band size is determined by the circumference of your ribcage and the cup size is relative to the band size. So a 32A would be way smaller than 40A. Supposedly with sister sizing, you have to go up a cup size when you go down a band size to maintain the same volume.
Take a look here: http://www.brabandproject.com/
Take a look here: http://www.brabandproject.com/