What's a sister size to 30D/DD? most shops don't carry band size 30, so I'm wondering what an alternative size to mine would be, so I can buy bras locally : r/ABraThatFits

Why are 34C and 32D sister sizes but 32D fits me well and 34C is too small? - Quora

Sister Sizes: The Bra Secret Every Person Should Know – Sister Sizes & Equivalent Bra Size Chart – ThirdLove

What is Sister Sizing? – Fleur of England

Recommendation] Calculator suggested size not available, looking for sister sizes. Details in post. : r/ABraThatFits

Cheap sports bra for running for someone with larger breasts? : r/running

Hi ABTF. Nordstrom loves you! : r/ABraThatFits

Sister Sizes: The Bra Secret Every Person Should Know – Sister Sizes & Equivalent Bra Size Chart – ThirdLove

What Are Sister Bra Sizes?

best way to get a cheap set of women's clubs? : r/golf

Sister Sizes: The Bra Secret Every Person Should Know – Sister Sizes & Equivalent Bra Size Chart – ThirdLove

Weekly] General Discussion/Small Questions Thread : r/ABraThatFits

Bra Sister Sizes – A Secret You Should Know About Bra Sizes – Lovemère

Sister Sizes: The Bra Secret Every Person Should Know – Sister Sizes & Equivalent Bra Size Chart – ThirdLove

What Are Bra Sister Sizes And Why Do They Matter? - SHEFIT