[Windflier]

I know people who manufacture them, so no, I’m not pulling anyones’ leg.

That's fine, but the printed nylon sleeve you're describing, is an obscure definition of the term. In fact, I've never heard of them before, but I've long been familiar with sleeve tattoos.

[RegulatorCountry]

Not obscure, did you go to the eBay link? The listings just roll on and on.