Goats' coats are made from mohair, a type of wool that comes from the Angora goat. Mohair is known for its softness and luster, and is often used to make clothing and accessories. Goats' coats are typically made from mohair because it is lightweight, durable, and warm. The coats also provide protection from the elements, such as rain and cold temperatures. Goats' coats are often dyed in a variety of colors, making them a popular choice for fashion-conscious pet owners.