Undershirts were made to minimize your sweating and eliminate visible pit stains and sweat blotches that stick to you in the heat. It also provides a barrier that can make your dress shirt last much longer because they remain cleaner and may not need to be washed every single time you wear an undershirt.

Why do men wear undershirts?

Men and women alike will often wear fitted undershirts in order to hide “lumps and bumps” under their clothing. ... Undershirts can help hide those bulges under a second layer of clothing, which provides a far smoother, more uniform appearance under any shirt, blouse, or dress.

Why do Americans wear t shirts undershirts?

Residents of global hot zones know that a thin substrata of cotton can prevent obvious sweat stains and lengthen the life of their dress shirts. It is only in America, though, that we take so much pride in our undershirts that we display them for all to see.