Images in order of appearance: Fair Isle, Scotland, 1964. Photo by George Greenwell vía Getty Images; vintage Fair Isle knit, 1960s; Paul McCartney at the start of the ‘Magical Mystery Tour.’ Photo courtesy of Cummings Archives/Redferns; Naomi Campbell and Kristen McMenamy, Vogue, 1992. Photograph by Steven Meisel; Tory Burch Fall 2020 collection.