🧢Baseball caps give away that you're American, so opt for other types of hats
👖Leave the khaki pants at home and wear slacks or tight jeans instead
🏃Avoid wearing athleisure or athletic wear, as it's not commonly worn in Europe
🎒Skip the big baggy U.S. university sweatshirts to avoid standing out as a tourist
👟Don't wear sports shoes, opt for city street shoes instead