Awesome supportive bra to alleviate back pain. The medium was too tight for me (34E) but it was a well intentioned gift I can’t return so hoping this can find a new home! Website details: *We recommend to upsize this product if you are in between sizes* Engineered with our Neuroband® technology, our sports bra interacts with your body to support the alignment of the chest, neck, scapula, and spine. The posture sports bra provides the perfect amount of tension and preventative care for everyday use. BENEFITS Increases upper body strength Increases oxygen intake Improves support during exercise Improves shoulder mechanics Decreases wear and tear CONTENT & CARE Front: 89% nylon, 10% spandex, 1% olefin Back: 87% polyester, 13% spandex Wash cold Air dry No iron ✨posh ambassador, non-smoking home, pet-free home, typically ship next day. Check out some of my other listings and bundle for bigger savings!✨