Mid-calf dress socks in black 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. Great for business and formal events, also makes a great gift for its timeless design.