Hint: some options are actually pretty affordable. Like an emotional support sweater , a good piece of knitwear can make leaving the house in arctic temperatures feel not only bearable, but comfortable and chic. But not all knitwear is created the same. “Before purchasing a knit, it’s helpful to know the difference between the different wools and blends,” said Kim Appelt, celebrity fashion stylist and author of “ S tyle for Everybody: A Guide to Curating Your Essential Wardrobe .” You’ve got