Interesting article in Outside about The North Face's Denali fleece and fleece mid-layers generally. https://www.outsideonline.com/2414471/the-north-face-denali-fleece-history
i have a denali fleece jacket - old enough that i can't recall when i got it. Still a great jacket, though i tend to stuff others into a backpack for hikes of any length because the Denali is bulky and doesn't vent moisture as well as some other options. when patagonia first started selling fleece in the 80s, they offered jackets that were inside-out versions of today's 'retro x' fleece, without the windblock layer and with very little wind protection, period. a while back, i picked up a somewhat improved version of it, probably made late 80s or early 90s, on a used clothing website. the fleece isn't as soft as the 'retro pile' patagonia resumed selling in the last few years, but it's much more durable and remains a very good layer for hiking in colder weather. can't argue the quality - these things can last a lifetime.