Wool is a great heat insulator, and it contains natural bubbles which can keep the heat inside the body to make people feel warm in cold weather.
Silk’s warmth retention property is not as good as wool’s because silk don’t have the same density as wool counterparts. However, silk is better at facilitating air exchanges, and it can vent excessive heat to keep the temperature around the human body at a comfortable level.
Wool is light but the silk is lighter. Light comforter not only can promote better blood flow throughout the night but also eases the difficulty of turning during sleep.
Wool and silk are very soft. However, silk is thinner and more smooth than wool. The wool cloth is a bit rough because the surface of the wool fiber is scaly instead of smooth like silk fiber.
As we know sheep have skin, thus wool is not particularly resistant to any type of bacteria, mold or insect.
Conversely, silk is able to naturally resistant to bacteria and mold, and repels most household bugs.
Wool usually requires more cleaning care and maintenance while silk is easier to clean.
Dry cleaning is the best solution to clean silk and wool thoroughly.
Now, you can select a suitable natural comforter after you know all these differences. If you need more warmth, you can choose wool. If you want to buy a lighter and more hygienic product, you can choose silk comforter and can be used throughout the year.