One Size: Crew length socks for women with shoe size 5-9 High-Quality Fabric Blend: Enjoy our cotton blend socks as they deliver premium, all-day breathability Reinforced Heel and Toe: Durability is a key factor in high-quality socks. Reinforced heel and toe areas provide extra cushioning and protection, reducing wear and tear in these high-stress zones. Novelty Themes: Good Luck Sock has over 1,000 designs themed around specific interests or hobbies, such as animals, food, pop culture references and more. This allows wearers to express their personality and interests through their choice of socks. Good Luck Undies: That's right. Check out our shop for hundreds of underwear designs, by the same people that brought you Good Luck Sock's, including designs that match the socks.