There a few things in a man's wardrobe that are uniquely male, iconic and unchangeable: a standard tuxedo jacket and Levi 501 button-fly jeans. You can even wear them together!
Anything not Levi 501 button-fly jeans, even if manufactured by Levi Strauss, is simply Nancy Boy Wear and to be avoided at all cost. Plus, there's no risk of getting your foreskin or scrotum caught in a damn zipper!