Cashmere, often thought of as a luxurious fabric, is made from the undercoat of cashmere goats. The fiber is collected during the spring when the goats are shedding.The finest cashmere comes from Mongolia and Inner Mongolia, where the climate and terrain provide the best conditions for raising these animals. The downy coat of the cashmere goat consists of two kinds of fiber: long coarse fibers and fine soft fibers.Only the long coarse fibers are used to make yarn for sweaters. The fine soft fiber is too short and delicate to be spun into yarn. It2019s used to make shawls, scarves, and other accessories.So, not all cashmere sweaters are created equal. The quality of a sweater depends on the length and fineness of the fiber used to make it.A good quality cashmere sweater will have a high proportion of long coarse fibers. Cheaper sweaters will have a lower proportion of long coarse fibers and a higher proportion of fine soft fibers. This results in a less durable sweater that won2019t keep you as warm.If you2019re looking for a quality cashmere sweater, be sure to check the percentage of long coarse fibers listed on the label. A good quality sweater will have a minimum of 80% long coarse fibers.