or sweat pants
noun (used with a plural verb)
Examples from the Web for sweatpants
GIF-able when he goes jogging in sweatpants, if you know what I mean.Angelina Jolie and Brad Pitt Got Married and We’re Worried About Jennifer Aniston|Kevin Fallon, Tim Teeman|August 28, 2014|DAILY BEAST
Most of the rappers dress in a plain style: jeans, sweatpants, a hat.
“Sweatpants are the new denim,” says stylist Brandon Williams.
Wikipedia says sweatpants, otherwise known as tracksuit bottoms, are “one of the most commonly worn items of clothing.”
In leather and silk, and worn by stars from LeBron James to Dwyane Wade, are sweatpants really ‘the new denim’?