CONTENT: 78% Cotton, 20% Polyester, 2% Spandex. High quality material makes these cotton rich crew socks soft and comfortable FUNCTION: Anti-microbial Treatment, keep your feet fresh DESIGN: Auto Seamless Linking comfortable; Y heel. These classic socks are perfect for business suit and dress shoes or casual wear FITTING: Shoe size for Men 9-11 WASH: Machine wash with similar colors. If you are not satisfied with our socks, please contact us by email. and we will respond within 24 hours. You can request to return items within 90 days of receiving it.