During Independence Day, many are the people who dress up for a reason that clearly refers to the United States. It is usually either Uncle Sam or the Statue of Liberty, among others. However, those who choose not to dress up in full, at the very least usually wear the typical Uncle Sam top hat with red and white stripes and a blue band with white stars. You have all the information in: «Typical United States costumes«.
You have all the information in: "Typical United States costumes".