I used the size calculator but the band had to be on the tighest loop to barely fit. The cups were more concerning - the fabric was really stretchy and so much so that the print appeared lighter in the middle. Gave a strange shape to the boob with zero support. Overall I wanted to like it because it had the potential to be very comfortable plus I loved the side coverage. But for the price, the quality of that stretching/lightening of the pattern in the cup was really disappointing.