long underwear
Noun
Meaning
an undergarment with shirt and drawers in one piece
Source: WordNetSynonyms
Hypernyms
Examples
Still, thought I should put on my party frock, and perhaps even remove the long underwear.
Four main layers could consist of a combination similar to this: long underwear, turtleneck, sweater or fleece and outerwear.
I’d bet that you also have a thin, packable “layering” puffer that heats up hotter than a handful of ski beans, and long underwear.
Polypropylene long underwear should be worn next to the skin.
When I was growing up, I used to hate long underwear season.