If it comes up.. ask them in all seriousness if they have ever been out of the state. Then ask them if they have ever flown on a plane and ask them if they have ever been out of the country. Listen carefully to not just what they say, but how they respond. Act really interested in their answers and give the appearance that you are thinking about what they said.

Then tell them that when they grow up, they'll learn there is more to the world than what they have seen and grown up with and what they wear here may seem really, really odd to people in other places that wear different clothes and maybe even talk differently. Then remind them, that doesn't make them better, just different. The fact that they are free to be the same or different and to wear what they choose is what makes America great. It's what makes them LUCKY to be Americans.

Then hit them with this: Part of that awesome right.. the right as an American, to choose and wear what you want when you go out.. comes with a big responsibility and an understanding that other people get to choose and wear what they want too. If they choose to wear clothes that people might wear in other places, that's okay. It's called "freedom of choice" and that is what people have fought and died for in America.. freedom.

Close with this: Making fun of someone for what they wear is like saying other people can tell you what to wear or think.. it's like saying no one is allowed to make their own choices.. as if we didn't have any freedom here.. and that would really suck, wouldn't it?

Let us know how it goes.