Upscale means overpriced, stuck on herself, hardbody, usually late 20's to mid 30's. They know a little about a wine list, china and crystal, caviar and champagne, and a lot about BJ's. They are usually above average to average when they fuck and they tolerate DATY.
All what he said^^^
But basically it's just a term too many use to justify a higher rate. Very few can actually pull it off. "Low Volume" girls who post weekly ads.
And frankie, they never answered my SFQ either about, "Why do hookers claiming to be UTR, post ads claiming to be UTR?" Just another ploy to increase rates.