What's the difference between a sports bra and a regular bra? 

1. Different application occasions 
A sports bra (sports bra) should be worn only for sports and not for other non-sporting occasions. A regular bra is for everyday wear, not for sports. 

2. Different functionality 
A sports bra reduces the swing of your chest during exercise, reducing discomfort and the risk of torn ligaments in your chest. A regular bra provides external support for the breasts, increasing comfort and mobility. 
3. Different design tendencies 
The sports bra emphasizes the movement function, in the breast modelling aspect has no design, does not show the female bosom curvy beauty. The plain bra is designed to show off a woman's curves and is designed to look and embellish better. 
4. Different styles 
A sports bra can be designed to be worn outside, while a regular bra cannot be worn outside and is usually worn under clothing. In addition, underwear and sports underwear still have a certain difference, the bottom of the shoulder belt and other designs are not the same.