correctly fitting bra should have the following features:

• When viewed from the side, the chest band should be horizontal, should not ride up the back, and should be firm but comfortable.
• Each cup's underwire at the front should lie flat against the sternum (not the breast), along the infra-mammary fold, and should not dig in to the chest or the breasts, rub or poke out at the front.
• The breasts should be enclosed by the cups and there should be a smooth line where the fabric at the top of the cup ends.
• The apex of the breast, the nipple, must be in the center of the cup.
• The breast should not bulge over the top or out the sides of the cups, even with a low-cut style such as the .
• The straps of a correctly fitted bra should not slip off the shoulder and the back of the bra should not ride up.
• The breasts should be supported primarily by the band around the rib cage, rather than by the shoulder straps.
• The wearer should be able to breathe and move easily without the bra slipping around.