What's a sister size to 30D/DD? most shops don't carry band size

By A Mystery Man Writer

Bra Sizing Grail Bra Specialists

28 and 30 Band Size Bras – Harlow & Fox

Came across this quick guide on r/coolguides. Is it just me, or is bra sizing overly-complicated on purpose? : r/bigboobproblems

Sister size, Bustyresources Wiki

Bra Sister Sizes + Sister Size Chart

Bra Sister Sizes + Sister Size Chart

What is Sister Sizing? – Fleur of England

How to find bra sizes in USA? My band size is 34.1 inches and my bust size is 39.4 inches. Mom says I'm 34E but she must be mistaken, I can't be

How to Measure Your Bra Size - Blogilates

On Breasts, Bras, and Why I Hate Victoria's Secret

Sister size, Bustyresources Wiki

What is my bra size?

Fit Guide

What Are Bra Sister Sizes and Why Do They Work?