My one article of clothing
I saw a man shopping in a supermarket wearing only a vest. The giv-away was when je reached up for something off the top shelf.
Can you define what a vest means in the UK. It must be different than in the US. Here it is a shotr sleeveless garment worn over a shirt, but bright orange or yellow safety vest are sometime worn without a shirt (but with pants or shorts) by construction workers and such.
I believe that in Australia it is a sleeveless undershirt. Is that the UK meaning also?
I have a completely transparent plastic raincoat. It is great for keeping me dry and even a bit warmer but it hides nothing. The wairesses laughed when I wore it to a restaurant once.
Have you seen the French show "Nu"? It is about a future when most clothing is banned as a security measure. All rain gear has to be transparent. YOU would fit right in!
My one article of clothing would be a tee shirt that would have hung to about crotch level. That way I tease anyone wanting a look and also easy enough for it to expose everything by raising my arms, letting whoever get a good view.
One of my polos is around that length, but I'm not really planning to actually flash someone, so I haven't worn it that way. Had it been a little longer it would have been safe when standing or walking. As it is, there would be a chance of a peek anytime. Might work on a dark campground lat at night.