long underwear
union suit

They then became famous for their men's union suits made of heavy knitted fabric.

He ripped off his union suit and tossed it aside.

While first designed for women, the union suit was also adopted by men.

She came into the capsule and unclipped a lead from Rick's union suit.

Another common undergarment of the late-19th century for men, women and children was the union suit.

Textile technology continued to improve, and the time to make a single union suit dropped from days to minutes.

This design proved so popular that it began to supplant the union suit in popularity by the end of the war.

A union suit is a type of one-piece long underwear.

I'm just turning away when the door pops open and there's Sam, wearing a union suit.

Near the end of the 19th century, the form-fitting union suit was growing in popularity.