Marvin was a sort of 'Bode Miller' of his day - and in real life an absolute no-bullshit guy.
Moriarty Hats was sold to another Stowe man in the 1980's who was again a passionate skier, though it seems to have all folded a few years ago. Nothing out of this world, but you know it when you see it... that peaked top. (pics below via ebay)
Others followed the style of course; Wigwam, Columbia, Turtle Fur, you find a ton out there... but Moriarty were first. They even make an appearance in the bible below.
Must read article below from Skiing Heritage Journal (June 2006).