Marcoliani Men&#39;s ExtraFine Merino Mid-Calf Ribbed Dress Sock from Italy One Pair Black" /> 80 percent ExtraFine Merino Wool and 20 percent Nylon ExtraFine Merino Wool in a perfect dress weight and great color range U.S. Orders over $66 Ship Free UPS/FedEx Ground - Orders received by Noon EST ship same day Fits shoe sizes 8-12 - Machine Washing Warm and Drying Without Heat will offer the greatest longevity One of the most confortable socks we carry with a bit of nylon for durability. Machine washable fits shoe sizes 8-12 Marcoliani-Milano - A Talented and Experienced Artisanal Italian Family Sock Maker