Well, I heard togas were all the rage back then, especially at Roman frat parties.
But seriously, fashion might have varied more between cultures at the time than today because they were more isolated, but definitely changed less over time than in modern times. It wasn't even till like the 19th or 20th centuries that fashions began noticeably changing each decade or so, but you're right about certain clothings staying popular over the years, like suits for formal occasions.
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