Whether you’re a muscle mommy or a Pilates princess, one thing is clear — a good sports bra doesn’t discriminate. You’ll want something that offers ample support and coverage while still moving with you — and shoppers claim this $18 piece from Amazon actually fits the bill. RUNNING GIRL might not be a name brand, but reviewers rave that it’s just as good as some higher-end options. It’s made with a sweat-wicking blend of nylon and spandex for extra stretch. A cross-back design helps keep it in