It can help fix the chest when lying on the back and side, reduce the stretching of the skin and the compression between the chest, so that the chest skin will not loosen due to pulling.
         

• 90% Nylon, 10% Spandex
• Pull-On closure
• Color: Green, Pink, Black
• Support Type: Wireless
• Support Type: Sports Bras
• Design Element: Solid color
• Shouder Straps Type: Wide non-adjustable shoulder straps
• Function: prevent chest spreading and sagging while sleeping