Q:

How does wool keep you warm?

A:

Quick Answer

Wool keeps people warm as it has air gaps within the fibers. These air gaps act as a barrier and prevent loss of body heat to the surrounding cold air. Woolen fibers absorb water and allow people to stay warm even when the weather conditions are wet and extremely cold.

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How does wool keep you warm?
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Full Answer

Fibers of wool are durable and elastic. A woolen fiber can stretch to about 30 percent without breaking. It is very flexible and can be bent 20,000 times before it breaks. Wool can also keep people cool in summer by preventing the body from overheating. Wool is an extremely fire-resistant material that is used in many home furnishings, such as mattresses.

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