Every bra size has a sister size: This is how it works

Every bra size has a sister size. What exactly does this mean? And why is it important to know your sister size, especially if you have larger breasts?

Finally, Bra Sizes Explained – Understanding How Bra And Cup Sizes

Every bra size has a sister size: This is how it works

Bra Fitting Guide

Bra Sister Sizes + Sister Size Chart

How to Measure Your Bra Size the Right Way

Bra Making: What is Sister Sizing? • Cloth Habit

Bra Sister Sizes + Sister Size Chart

Explained: What is Bra Sister Size with Sister Size Charts

How to Determine Your Bra Sister Size for Better Plus Size Bra Fit