Shahtoosh, also known as Shatoush, is a wool obtained from the fur of the chiru. Also, shawls made from the wool of the chiru are called shahtoosh. Shahtoosh is the finest animal wool, followed by vicuña wool.

Wool is the textile fiber obtained from sheep and other mammals, especially goats, rabbits, and camelids. The term may also refer to inorganic materials, such as mineral wool and glass wool, that have properties similar to animal wool.