Flame Over the Calf Socks. High performance athletic socks for all team sports and elite athletes. Small fits a Youth Shoe Size 2-6. Medium fits a Men’s Shoe 6-9 and Women’s Shoe Size 7-10. Large fits a Men’s 9-12 and Women’s 10-13. X-Large fits a Men’s 12-15 and Women’s 13-16.PERFECT SPORTS SOCKS: Set the field or court on fire with these fun, crazy and funky socks. Comes in many vibrant multi-color combinations. Sure to be a hit for softball, baseball, soccer, lacrosse, field hockey, basketball, wrestling and more!!!