Per Cody directly -
"The clothing restrictions? Very very liberal. It relies on a very simple principal with your clothes and as long as you check yourself before you leave with it, you're good to go. No coat required, do it in shorts, short sleeves, no shoes....like I said, very lenient. I don't think anybody will have an issue with it."
From another contributor (purchaser) -
"The only minor clothing consideration is that you should wear an undershirt and a regular collar shirt, either short or long sleeves."