The most common sports suit fabric mixed with cotton is polyester.
Polyester has many excellent fiber properties and wear resistance. By blending and interweaving it with natural fibers such as cotton, wool, silk, linen, and other synthetic fibers, it can be produced in a variety of colors. Can be made into wool-like, cotton-like, silk-like, linen-like fabrics, firm and firm, easy to wash, easy to dry, no iron. And good wear.
During exercise, you have to sweat a lot, so wearing clothes made of pure cotton will certainly be highly absorbent, but the sweat will be absorbed by the clothes, making them wet and making it difficult for them to evaporate.Many sports fabrics Made of 100% polyester. This kind of fabric can quickly evaporate sweat after sweating. Therefore, the clothes will not feel heavy or stick to your body.

