Actually, dressing like elderly men and women has become extremely fashionable for 20-30 year old hipsters. This from "Teen Vogue": Welcome to the era of the “grandmillennial,” in which young folks are rocking looks featuring upcycled quilted jackets, updated pearl jewelry, chunky vintage sweaters, crocheted tops, old slips, and oversize suiting, among other delightfully nostalgic pieces. Our grandma and grandpa would be so proud!