1978 was the premiere year for Underoos: a matching top and underwear set for kids that licensed superheroes and cartoon characters. Fruit of the Loom pursue
Darth Vader Underoos MISC Underoos MISB C-8.5
Tarzan Underoos - PS
Jockey Seamless Shapewear TV Ad
Underoos: The Underwear That's FUN to Wear!
Underoos underwear commercial (1978) : r/70s
Muppet underwear (Fruit of the Loom), Muppet Wiki
R2-D2 Underoos - Sealed (1979) Vintage Star Wars Underwear – 4th Moon Toys
Underoos: The Underwear That's FUN to Wear!
VTG 1979 Underoos Yoda Star Wars Sealed Boys Large (10-12) Underwear NOS READ!
Underoos made boring old kids' underwear fun to wear in the 1970s & 80s (and beyond) - Click Americana