What sister size bra should I get if 38b is a little too big on

Understanding Bra Sister Sizes

Bra Sister Sizes

Bra size - Wikipedia

How to Measure Your Bra Size the Right Way

What size is bigger of a bra, a 38 B or 38 C? - Quora

How rare is the 28DD bra size? I cannot find it anywhere and nothing fits me. What do I do? - Quora

What are the cup sizes of a bra? - Quora

What bra size should I try next, I am currently a 42b but the cup wrinkles and is cutting into my sides? - Quora

Is a 34D really the same as a 32DD? — Van Jonsson Design

Fit Guide – Pepper