These Thermohair socks are made from the soft and fine, rare and expensive mohair of Angora goats. It has the softness of cashmere and the strength of mohair while providing excellent insulation for the feet. Mohair is a renewable and natural resource and thermohair socks are made of kid mohair which is the first hair shaved from the young kid. This particular hair is very fine and soft; the most rare and expensive of mohair grades. The socks have been knit in a loop sequence for cushioning and are blended with 25% nylon for elasticity. The best quality of mohair is that it provides excellent insulation from cold and icy conditions outdoors.Benefits Include: Thermohair socks have proven to be effective as everyday wear for people with circulatory problems. These include: - Diabetes patients - Cancer patients - Heart victims - Stroke victims - Raynauds disease patientsWashing Instructions: Machine wash on warm setting and hang to dry. Colour & Size: Natural - Small Natural - Medium Natural - Large Natural - XLarge Grey - Small Grey - Medium Grey - Large Grey - XLarge