After simple animal skins, wool is probably the oldest material used for making
clothing. We do not know exactly when people started to make woolen clothing, but it
was probably quite early in human history. The wool was made from the hair of
whatever kind of animal people had available. Most of the time these were sheep, but
in some desert areas people made cloth from camel hair. In other areas, they used goat
hair, and in the mountains of South America, they used the hair from llamas. All these
kinds of wool have one thing in common: They protect a person’s body from outside
changes in temperature. Woolen clothing keeps