Understanding B-Cup Bras: Size, Fit & What to Expect

A B-cup bra is a bra designed for women with a breast volume and shape that corresponds to a B cup size. Cup size refers to the difference in measurement between the underbust and the fullest part of the breast.

B cup is commonly associated with a moderate breast volume and is often described as "average". However, It's important to note that bra sizing can vary among brands and styles, and the cup size you wear may depend on the specific bra's design and fit.