LONDON, ENGLAND - JUNE 08: A guest wears Gucci sunglasses, a blue red and green sportswear sweater, a Gucci necklace, during London Fashion Week Men's June 2019 on June 08, 2019 in London, England. (Photo by Edward Berthelot/Getty Images)
A guest wears a Gucci shell suit during London Fashion Week Men's June 2019. Getty Images 

You again? Trends from the 1980s & 1990s we hoped we had seen the last of