When it comes to no show socks, give your little guy the ultimate in comfort, fit and performance. Extremely breathable these socks help regulate the temperature of your feet, keeping them cool as a cucumber. They also feature a full cushioned footbed, smooth toe seam, tough and durable, and super soft. EZ sort matching system makes sorting these socks so much easier. Size small fits shoe sizes 4.5-8.5, medium fits 9-2.5, and large fits 3-9. Please note: Socks are not able to be returned or refunded if they have been removed from their original packaging.