From New Yorker:
A recent article in Esquire reports that many trousers are significantly more ample than the marked waist size. This is due to “vanity sizing.” The magazine collected a batch of pants by different manufacturers, all marked as having a thirty-six-inch waist. At H&M, they were actually thirty-seven inches; at Calvin Klein, thirty-eight and a half; at the Gap, thirty-nine; at Dockers, thirty-nine and a half; and, at Old Navy, forty-one.
This clears up my suspicion! Doesn’t this make online shopping a lot harder?