shell suit

Etymology
, from the outer nylon shell of each part.

Noun

 * 1)  A lightweight tracksuit consisting of a zip-front jacket and matching elasticated trousers, each having an outer nylon shell, often bearing panels and flashes of different colours, and inner cotton lining; popular in the late 1980s and early 1990s both as sportswear and as general leisurewear.

Translations

 * Finnish:
 * Welsh: plisgwisg