Shaping your chest, waist and stomach, it is designed for men and women.When you gym or swim, it not roll up and stay in place pretty. And it is specifically designed to reduce the appearance of Gynecomastia orman boobsâ. Breathable for improving blood circulation and fat burning, and strongly chest shaping. It helps with back support and posture. It has been visually being losing belly or chest fata and it does flatten the breast and stomach.