If you purchase an independently reviewed product or service through a link on our website, WWD may receive an affiliate commission. Summer may be approaching fast, but from stylish Instagram feeds to the wedding circuit and beyond, one surprising — and slightly off-season — accessory is quietly taking over: the scarf. More specifically, the little silk scarf — often slim, elongated and sometimes finished with tassels — that serves no practical purpose beyond looking impossibly chic. The silk scarf, of course, is hardly new. For decades, it has remained a wardrobe staple, from beachside headscarves to Hermès status symbols. In recent seasons, silk scarves tied as belts, tops and pareos have resurfaced as cool girl-favorite styling tricks. Now, a new evolution of little silk scarves is giving the classic accessory fresh relevance. This season’s most standout iterations rework the familiar formula with skinny proportions, dramatic lengths, crochet tassels, fringe detailing and tactile finishes.…