Ladies: what is (are) the biggest fashion faux pas that you see men wearing?

[Mynameismybusiness]

I prefer inputs from women but men can also answer.

 

[QueenofHearts]

Layering polos then popping the collar up.

 

[sketches88]

wife beaters - do not look good on ANY man.
socks with sandals - thats just tacky.
long tube socks with shorts - it just doesn't look good!

 

[QueenofHearts]

Layering polos then popping the collar up.