Classic Styling Made in the USA the Small Socks Are Shorter and So Have Fewer Designs Down The Back. Medium and Large Socks Are Taller and Have More Designs These Are a Strong Design for Strong Teams and Strong Performance These Red Lion Athletic Socks Work Well for Multiple Sports Small (youth Shoe Size Of 12-4, Ladies Shoe Size Of 4-5), Medium (sock Size Medium, Ladies Shoe Size 5-10, Mens Shoe Size 4 5-8 5), Large (sock Size Large, Ladies Shoe Size 11-12, Mens Shoe Size 9-12 5)