Sister sizing is a helpful solution if your regular size is unavailable, as it allows you to maintain the same cup fit while adjusting the band size for comfort and support.
To find your sister size, you can:
Go up a band size and down a cup size (e.g., 12C → 14B)
Go down a band size and up a cup size (e.g., 12C → 10D)
Need help finding the right fit?
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