Or shabby or hippie. However, as a tie-and-suit abstainer, while I do feel the societal pressure on me, I wouldn't say it compares in strength to that on (at least young) women. I would (ignorantly) venture to claim however, that another cloth-related pressure I had experience with, that on immigrants, does compare in strength.

_{*Lunatic*, n.
One whose delusions are out of fashion.}