Kindred Bravely Sublime Adjustable Crossover Nursing Bra for Breastfeeding | Wireless Maternity Bra (Black, Medium)
- ...you well, measure directly under your breasts, around your ribcage (your underbust). Round up to the next whole, even number – this is your band size. Next, measure around the fullest part of your breasts to get your bust size. Then, subtract your band size from your bust size. Each whole number difference is one cup size. A difference of two inches is a B cup, three inches is a C cup, four inches is a D cup, and so on..