Lycra is a stretchy and synthetic fabric that is often used in clothing, like leggings or athletic wear, to make them fit snugly and comfortably. Full definition
On a field near Pier A in Hoboken, to which Borsellino had moved his charges, a young woman in Lycra stretched, watched by municipal workers scraping melted candle wax from a railing. (si.com)
This suit is made from a high quality Nylon - Lycra blend fabric that does not fade. (dresshead.com)
Also looks completely different, wire frames and all - black sets with lycra suits replaced by sleeker modern variants. (filmjunk.com)