Proving that headscarves aren’t just meant for sixties starlets, are showgoers and passersby in Tokyo. They have topped the looks of stylish men and women there for the past few seasons. Based on the runways and byways of Copenhagen, the trend is spreading. And why not? A head scarf is an accessory you can wear on your head, around your neck, or tied onto a bag—in the spring or in the fall. It just might be the most seasonless piece in your closet.