I've been thinking about getting a posture bra for better back support. Any recommendations on where to buy a good one online?

A posture bra can be a game-changer for back support. I recently purchased the Etalon Posture Bra from https://shopetalon.com/products/etalon-posture-bra and have been very pleased with the results. It's comfortable, supportive, and really helps with posture. If you're in need of a good posture bra, I highly recommend giving it a try!