Wool is a type of natural fiber which is derived from the hairs of various wool-yielding animals such as sheep, goats, rabbits, camels, llamas, alpacas, and yaks. Since it is an animal fiber, it contains protein (keratin) and certain lipids, unlike plant-based fibers, which consist of cellulose. Its quality is primarily based on the thickness of its fiber, which also dictates the price.
Different types of wool include merino, cashmere, mohair, angora, alpaca, camel, vicuna, etc. While merino is the type of wool that is most common and most affordable, the royal Vicuña wool is the rarest and most expensive one.
Raw fiber is made into wool through the following steps: shearing animals, cleaning the wool, baling, carding, spinning into yarns, washing, and weaving. About a quarter of the world’s wool is produced in Australia, closely followed by China. Almost half of the total wool production in the world derives from the Merino sheep, and the rest from mixed breed sheep. Only a small percentage of wool originates from other animals like goats, camels, llamas, etc.