For your consideration is a vintage pair of Jockey Long Underwear; new old stock from a department store that opened in 1926 and recently closed its doors.
Size ~ 40 Long
50% Polyester 50% Heavy Weight Cotton
Made in the USA
Copyright 1974
It's still in the original packaging. Unfortunately, there is no size chart on the package.
Note ~ These are the last 3 I have in this size.