Suits were still relatively tight but had big lapels, they were rather flashy, and pants oftentimes in a flare cut. Interestingly, the 1970's sort of returned the three-piece suit but it wasn’t formal at all.
It was rather casual and more part of the disco culture. Think of John Travolta in Saturday Night Fever. Along with the bright colours, synthetics were now predominantly used in the 1970's suits which didn’t make them better in the long term and just overall, it was a decade to be forgotten.
Click the 1980's