Are you not willing to compromise on comfort, support, and aesthetics? Then discover our high impact Sports bras, which is the right one for your needs, it doesn’t matter what size breasts you have. Breasts have no muscles, and without proper support, the skin and ligaments can break down cause sagging. Once your ligaments stretch out, they do not bounce back. Physical activity causes breasts to stress, which makes breast tissue to stretch out over time, so high impact sports bra is important.