How to Stay Warm When Wearing a Suit This Winter StudioSuits What to wear in Lapland:, When temperatures drop this low, layering and fit matter just as much as warmth. This is how I dress to stay warm without overheating., Base layer: A merino wool base layer Be prepared for winter weather before it strikes! If you must go outside, wear layers of warm clothing & watch for signs of frostbite and hypothermia. Keep supplies, like bottled water, nonperishable Stay Warm at a Winter Wedding