INTERNET WENT AWAY, SORRY
IT’S BACK NOW, SPAM CAN CONTINUE
This is what I typically call “the leisure suit”. It isn’t actually a leisure suit, it’s more of a jumpsuit, but it’s still goofy-looking.
Ditko gave him this number in his story in Blue Beetle v5 #2. It was designed to give Vic better mobility, a greater range of movement, and ditch the big heavy coat while he was on the case of a flying thief.
Len Wein and Paris Cullins later revisited the leisure suit in Blue Beetle v6 #6 & #7 when they introduced him the the DCU. Because if Ditko did it in the original Q? stories, they found ways of doing it better.