 In the textile industry, "alpaca" primarily refers to the hair of Peruvian alpacas, but more broadly it refers to a style of fabric originally made from alpaca hair, such as mohair, Icelandic sheep wool, or even high-quality wool from other breeds of sheep.In trade, distinctions are made between alpacas and the several styles of mohair and luster.An adult alpaca generally is between in height at the shoulders (withers).