These men's mohair socks are made of kid mohair, which is the first hair sheared from the young kid. This particular hair is very fine and soft, the most luxurious and expensive of the mohair grades. The finished socks are knit in a looped sequence for cushioning, and are blended with 25% nylon for stretch. These socks are especially insulating for those working or sporting in the cold outdoors. They are ideal for contractors, hunters, fishermen, linesmen, skiers, skidooers, hikers, ect... They come in either Grey or Black in men's sizes Small to 2XL.