This bra is perfect for women looking for support during low - medium intensity workouts. The BLOCHsculpt Square Neck Bra is made of a special fabric blend (47% Polyamide, 53% Spandex) for maximum stretch and support. It has a square neckline, scoop back, and concealed soft rib elastic underbust. The power mesh bra layer comes with removable cups (70% Nylon, 30% Spandex).