You know how it goes: When the temperature starts to dip well below it naturally should, you bundle yourself up beyond recognition to make your daily pilgrimage outside. And then you frantically rip every layer off as soon as you hit your heat-blasted destination. So, what do you do? Overheat indoors or freeze outside? Luckily, there’s a third option: dress smart, not hard. You can sneak some warmth into your outfit in ways other than the parka and pom-pom beanie.