“‘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 ...