informal for tracksuit: a loose top and trousers, worn either by people who are training for a sport or exercising, or as informal clothing

She wouldn't dream of leaving the house in a trackie and no make-up.

Three men in trackie tops wandered down the street.

He turned up in an old sweater and trackie bottoms (= trousers). 他穿着一件旧毛衣和运动裤出现了。