This is a matter of personal preference. However, no one should feel judged while exercising. Sports brasSports brasSports bras are not typically revealing and there are many women who exercise in only a sports bra. There are many different styles of bras and tops and they may not always line up exactly. In our opinion, being able to see a sports bra underneath these garments is no issue at all. However, as mentioned, this is truly a decision that only the wearer can make.