Tracksuit

[Ernesto]

Used variously to describe full-coverage running clothes (for cool weather), tennis and soccer warmup clothing, and any other kind of vaguely athletic-looking leisure suit. Usually a matched [two-piece] getup, frequently featuring stripes or designs of some kind. Status brands are Adidas, [Fila], and Nike.
Worn by athletes, criminals, [juvenile delinquents], and middle aged people who have given up hope.

[Gregory]

A loose, warm set of clothes consisting of a sweatshirt and trousers with an elasticated or drawstring waist, worn when exercising or as casual wear.