1, close to muscles to prevent muscle strain during strenuous exercise (main function).

2, sweat absorption.

3. Avoid accidental contact during strenuous exercise.

In fact, its main function is to avoid accidental injuries. As for avoiding exposure, it may be a side effect.

Tight pants, also called underpants, are tight pants from waist to toes. Because it looks like pantyhose, it is also called inner socks and bottomless socks. 1In the early 1980s, it was a fashion for women to wear tights for fitness and aerobic exercise. Since 2005, the fashion trend is to wear miniskirts with black tights. Some people also call it "putting socks inside", which belongs to pantyhose. It's a sock that can't cover the soles of your feet. When wearing, the sock mouth is roughly between the knee and ankle, which is usually worn by women and dancers. Like pantyhose, there are many materials, such as cotton, nylon and wool blended.