These OEKO-TEX standard 100 certified Bamboo Viscose Dress socks are made to match your everyday lifestyle, be it at work or at a wedding. Developed and recommended by Danish ironman and entrepreneur Anders Hofman, our bamboo dress socks are silk-like soft, helping reduce friction in your shoe, and the risk of blisters and chafing. Washing instructions: Should be washed before use. Not above 40°C or 105°F. Turn inside out for washing. Wash with similar colors. Do not Iron. Do not tumble dry. Wash with similar colors. Use detergent without bleach.