In recent times, it may have come to your attention that more people are snapping off their bras in exchange for bralettes. But why?
Bralettes are a hybrid garment – a halfway point between the vest top and the bra, designed to have less structure than the standard bra but provide comfort to one’s chest.
Bras, on the other hand, tend to be more structured – they’re designed to give more support and elevation to the breasts.
Young & Banging blog.