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

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

What Are Bra Sister Sizes? – Harlow & Fox

Meesa - Sister sizes are sizes that have the same cup capacity but

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

Is a size 28D almost 28DD bra small for a 16-year-old? - Quora

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

Sister size, Bustyresources Wiki

True & Co. True Everybody Women's Adjustable Strap Scoop Neck Bra

How to Measure Bra Size, Bra & Knicker Types

My bra size is 34A, but this size is not available in the market