A sweatsuit is a set of clothes that people wear for exercise or just to be comfortable. It includes a sweatshirt and sweatpants.
Sweatsuits are cozy and casual, often worn for relaxing or working out.
Examples:
She wears a pink sweatsuit to the gym.
I have a blue sweatsuit that I wear when I want to be cozy.
The sweatsuit is very warm and soft.
He looks funny in his big sweatsuit.
I have a hundred sweatsuits in my closet!
The cat wears a tiny sweatsuit to stay warm.