Home 2020 Is Coming. How Will it Look? Models present looks from the Chanel spring 2020 collection in Paris on Sept. 30, 2019. (Valerio Mezzanotti/The New York Times)

Models present looks from the Chanel spring 2020 collection in Paris on Sept. 30, 2019. (Valerio Mezzanotti/The New York Times)

A model presents a look from the Alexander McQueen spring 2020 collection in Paris on Sept. 30, 2019. (Valerio Mezzanotti/The New York Times)