Sister sizes refer to bra sizes that have the same volume in the cup but a different band size. For example, 34B and 32C are sister sizes. Sister sizes are helpful if you are sensitive to ...

“‘Sister sizes’ are sizes that share the same cup volume with different band sizes. If the band size goes up, then the cup size goes down — and vice versa.” Ahead, we outlined a highly ...

Over the past seven years, we’ve compared 38 sports bras, recruiting more than two-dozen panelists (with band sizes 30 to 44 and cup sizes A to JJ). These panelists put the bras to the test in ...