Should Undershirt Be Visible?

Ideally, your undershirt should match the color of your skin so you do not see the outline of the undershirt on top of the shirt.

Is it bad if my undershirt is visible?

There's nothing wrong with wearing an undershirt. They keep you warm and help prevent sweat from soaking through. For some guys, they can also help with (ahem) covering your nipples so they don't show through your button-up. ... There's nothing even necessarily wrong with an undershirt showing — at least in certain cases.

Should undershirts always be white?

Undershirt Rules to Live By

If your skin is light, look for white, light grey, and beige unless you're wearing a white or thinner shirt where the undershirt can be seen. If your skin is dark, wear shades of brown, or dark grey. ... If you have a collar, no tie, and a smooth chest, wear a deep V-neck.