The long parade of more than 100 fashion shows during the spring 2020 season, which took place few months ago, has finally come to market. The first order of business is discerning the most impactful trends of the season—from artisanal crochet and graphic polka dots to a look at decades past via disco collars and ’60s wallpaper prints, couture feathers, hot pants, bold neons, and many more.