This evolution reflects ongoing efforts to better accommodate diverse body types and breast shapes. Sister sizes are bra sizes that have the same cup volume but different band sizes. This concept is ...

And that’s precisely where bra “sister sizes,” a.k.a. an alternate, but close size that may give you a better fit, come into ...

"Then, measure your bust and band sizes with the string ... you might need to shift your sizing a bit. "A sister size refers to a bra size that has the same cup capacity with a different band ...