Urban-Peacock's Men's Dress / Groomsmen Crew Socks are super comfortable high quality dress socks. They're made from a very soft and durable 85% premium cotton, 10% polyester, 5% spandex blend fabric to help keep your feet cool and dry all day. They're men's US sock size 10-13, which is generally US men's shoe size 6.5-12. Machine wash warm with similar colors. Use only non-chlorine bleach when needed and tumble dry low.They work just as well with a suit or dress slacks as they do with your casual wear. They are perfect for yourself, or any man in your life. And they make great stocking stuffers, gifts for birthdays, anniversaries, Father's Day, and fun and stylish wedding and groomsmen socks too!