Americans have a tight hold on the idea that clothing has genders.

There’s an enormous interest now by younger people in [pushing] and even eradicating traditional boundaries and lines between genders in a variety of ways in our society. With that comes a sort of nonbinary ideal to their fashion. You can also use that style to identify with that movement.

https://www.grid.news/story/politics/2022/07/25/brad-pitt-wore-a-skirt-on-the-red-carpet-of-his-movie-premiere-and-the-internet-lost-it-why-do-people-care-so-much/