The Underwire
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Bra 101 8 min read

Bra Sister Sizes: The Secret Every Woman Should Know

Quick Summary

Finding the perfect bra size can feel complicated, but understanding sister sizes might make the process easier. Sister sizes are groups of bra sizes that share the same cup volume but differ in band size. For example, a 34C has the same cup volume as a 36B or 32D, offering more flexibility when shopping f...

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August 24, 2023

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