Pepper caters specifically to small chests — in this case, by offering exclusively AA, A, and B cups. The All You bra is a best seller for the brand, featuring a plunging cut with demilike cups.

The bra, this essential part of some people's wardrobes, is often misunderstood. Between preconceived ideas and common mistakes when choosing, it is easy to end up with an unsuitable model.

Even as a Women’s Health style writer, I haven’t always worn the right size sports bra. Some have been so small that I was ...