Is a silk long underwear warm?
When the weather is cold, finding a pair with silk is perfect for you. It will give you more time to spend outdoors without freezing when you wear silk-long underwear. It's light enough to wear under anything, and it helps lock in your body heat to keep you warm but not overheated. You'll stay warm and comfortable, and you won't be messed up by shivering while wearing silk long underwear as you do so.