What is the difference in fabric selection between sports underwear and daily underwear?

You will sweat a lot during exercise, so pay attention to the heat dissipation and sweat absorption of the underwear and the friction of the legs. There are two kinds of underwear to choose from, one is the high-profile briefs, the other is the sporty long boxer briefs, the fabric is quick-drying, sweat-absorbent non-curling underwear is more professional and more expensive. In the case of briefs, because it is tighter, the underwear can be one size larger, and the heat dissipation will be better. The high fork is also less prone to friction than ordinary wear, and is more stable. Sports underwear for outer wear is usually CK 7 inches long boxer shorts or 9 inches long boxer briefs.

Choice of common fabrics

Cotton: 100% cotton, and 95% cotton + 5% spandex . Cotton fiber absorbs moisture but does not evaporate easily, and cotton underwear is not easy to dry after sweating. Although cotton underwear is not easy to dry, it is suitable for people with all kinds of skin. People who have poor skin or who are prone to skin allergies can only choose pure cotton or cotton underwear.
Boxer shorts, briefs, thongs, and jockstrap can all be made of this material. These underwears are suitable for everyday wear.
Then you can only choose long boxer briefs for outer wear to sport.

Modal: Modal is fiber extracted from beech wood. It is thinner than natural cotton fiber and has better uniformity (natural cotton fiber is thicker in the middle and thinner at the ends). Compared with cotton fabrics, Modal fabrics have softer touch. Good moisture absorption, not easy to wrinkle. Using modal fabric for underwear, comfort and close wrapping are better than cotton.
This material can also be made into boxer briefs, briefs, thongs, and jockstraps for men and women. These briefs are also suitable for daily wear.
Sports underwear can also be made of this material, and the outer wear is generally long boxer underwear.