Some of the comments are worth reading. I especially love the one from "badger," which includes the following (it was big enough that I didn't want to post the whole thing):

If not for his height, typical Duncan attire would have allowed him to blend in at a high school, at the beach, or at the mall. No need to impress anyone. I suspect that along with the need not to impress anyone is the good sense not to blow money on (stuff) he doesn’t really want or need.