Talk:Muzan Kibutsuji/@comment-109.231.16.169-20190414202343/@comment-38933326-20190810175401

in their time period or era got suit and hat?

Given that the beginning of the story takes place some time between 1912-1915, it makes absolute sense. Check Peaky Blinders or Titanic (both set in the same period) for similar fashion styles.