The World's Softest Classic Crew Socks are sure to keep your feet comfortable and stylish all day long! Available in a varitey of hues, the World's Softest Classic Crew Sock features a cushioned top, designed to stay up without binding. Also features reinforced heel & toe for increased durability in high stress areas, full cushioned foot bed provides all day comfort, and flat knit toe seam for reduced rubbing and irritation. These classic crew socks are made from a blend of soft fibers: 75% ultra-soft acrylic, 23% nylon, 1% Lycra�, 1% polyester. Made in the USA. **Sizing information. MEN: Medium: 5-8, Large: 8.5-12, X-Large: 12.5+. WOMEN: Medium: 5.5-9.5, Large: 10+