Stockholm-based screenwriter Fanny Ekstrand, below, knows a thing or two about dressing for long and frigid winters: "The colder the day, the longer the scarf," she asserts. Right now, she's not the only one wrapping up (in )--even indoors, too! The extra versatile layer is also a stylish flourish, as these pics prove. I'd like to weather the teeth-chattering cold with these knits from (last pic), (above), and .