sweatpants

or sweat pants

[ swet-pants ]
/ ˈswɛtˌpænts /
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noun (used with a plural verb)

loose-fitting pants of soft, absorbent fabric, as cotton jersey, usually with a drawstring at the waist and close-fitting or elastic cuffs at the ankles, commonly worn during athletic activity for warmth or to induce sweating.

Origin of sweatpants

First recorded in 1920–25; sweat + pants
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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