H.i.s.’s Press-Free Jeans (1966) (via Vintage Ad Browser, via Cottonduck i think?)
“Be a Neatnick”
“Dress-Up Jeans with a permanent crease down the center of each leg…”
“Press-Free Jeans by h.i.s.”
Yes, you’re thinking what I’m thinking… it was the Baby Boomers who killed off quality denim!!