With ’90s nostalgia reaching fever pitch, the trends that defined the decade are reappearing one by one. Case in point: the bucket hat. This retro classic, synonymous with everything from Brit Pop to hip-hop, is being championed by everyone from Kaia Gerber to Rihanna. Play up the retro overtones and tick off two major trends at once by opting for Prada’s nylon designs or psychedelic prints. Wear with suitably insouciant waved hair for a grown-up grunge look that would impress even Kate Moss.