A 28DD is small. VERY small. Its sister sizes are 30C and 32A. A

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How does a size 32A bra and a 32B bra differ? - Quora

Sister Sizing Guide

I measured as said to do online in a calculator, and it came out

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If I wear a 38C in bra size can I fit into a 34DD or a 32DDD/E? I

How rare is the 28DD bra size? I cannot find it anywhere and

Let's try again! Which size is bigger, 28DD or 34B? - Sexuality

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