After a tough spin class at the gym, walking outside will feel like walking onto the Artic peninsula. Bundle her up with the Down Scarf by Nau. 650-fill down is lofty enough to fight the winter chill, and zippered pockets at either end serve as handwarmers. The fabric and lining are made from recycled polyester, and the goose down fill is also renewable. $65, nau.com.