Wool is a natural fiber that is derived from the fleece of sheep and certain other animals like goats, alpacas, and llamas. It has been used by humans for thousands of years due to its remarkable properties and versatility One of the most notable characteristics of wool is its exceptional insulation ability. The unique structure of wool fibers creates tiny air pockets that trap heat, making it an excellent material for keeping warm in cold climates. It is known for its ability to retain body heat even when wet, making it a popular choice for outdoor clothing and blankets