SKATERSOCKS Skater Socks 30" Over The Knee Tube Socks One Pair. Approximately 30 inches. They are Unisex - No Heel on the socks - Fits both Boys and Girls. Knee high for tall adults - Over the knee for most all adults - Thigh high for short adults Made in the USA of 82 Percent Cotton, 10 Percent Nylon, 5 Percent Acrylic and 3 Percent Spandex.