Not sure what size. These tie in back leaving back side open.
Vintage long underwear mens - Gem
Velvet by Graham & Spencer
1930s Oneita Knit long john underwear mens union suit… - Gem
1930s Oneita Knit long john underwear mens union suit… - Gem
Shop Top Lingerie Brands from Linea Intima – Page 19
VINTAGE ONEITA KNIT VELVETBACK UNDEWEAR LONG JOHNS
Design Lab
oneita - Poshmark
1930s Oneita Knit long john underwear mens union suit… - Gem
END OF SEASON SALE – tagged sale – yxvintage
Worldwide Shipping Service Shop Anywhere, Ship Everywhere - Shippn
Mens Thermals - Buck Mason- Modern American Classics