Especially now that the market has so many variations on offer — from the traditional wool versions, to the obviously Dior-inspired leather styles — we've seen the beret work just as well with a sweater and jeans as it does a tracksuit. If one thing's for sure, the versatility and practicality (a warm head is a major key when the temps drop) of this topper gives it some major staying power. We first saw them creeping into our Insta feeds about a year ago , and they've done nothing but pick up speed since.