Nursing & Maternity Bras. Gratlin Women's Lightly Padded Wireless Racerback Sports Maternity Nursing Bra. The Fast Food Sports Bra by Boob has all the features that you could ever want in a really good sports bra, and more! Whether it's during your workout, before or after, trying to nurse while in a sports bra can be a nightmare. They're hard enough to get out of as it is, let alone with.