Kaplan recommends washing your sports bra after every use if you sweat a lot, so the sweat doesn't break down the bra fibers. But if you only wore it for a less sweaty activity, then you can skip a wash.
Like pointe shoes, keep a few bras in rotation so you aren't relying on only one to get you through a busy weekly dance schedule.
Keep in mind that the average lifespan of a sports bra is six months to a year with normal wear and tear. If you're past that time frame, it might be time to buy a new one!You might think of sports bras as a super-durable garment—you just throw it in the washer and dryer, and it's fine, right? Not quite. We asked Lori Kaplan of Bra*Tenders in NYC for her expert tips on prolonging the life of your sports bras.