Knee high dress socks in navy blue solid color. Dress socks are made from mercerized cotton make them soft and comfortable and gives the socks a silky feel and nylon so that they stay up and fit nice. Hand looped toe seam for ultimate comfort. Men's sock size 10-13; Fits US Men's shoe size 6-12.5. Machine wash warm, tumble dry low. Timeless design, can make a great gift, goes well with most place of business clothing.