A bra that doesn't fit properly doesn't distribute weight evenly, causing slouching or hunching, over time this can cause spinal aligment issues

Spill out over the top, squished into your armpit or poked with underwire, Inadequate support from a poorly fitted bra can result in breast pain, particularly during physical activity

Improperly fitted bras can cause red marks,  irritation, rashes or chafing especially around the ban and straps.