From the manufacturer:
Exercising without the proper chest support may contribute to pain and discomfort,and stretched skin and ligaments,which may lead to droopy, saggy breasts. Sports bras offer support to keep this condition from happening choosing a sports bra, consider the kinds of activities you participate in. Furthermore, select a sports bra that stays in place yet doesn't cut into your skin.
Features
Benefits
Soft and stretch racerback bra gives maximum freedom of movement.
Reinforced wire-free cups provide exceptional support and comfort while the moisture wicking fabric keeps you cool and dry.