Is a kind of sports socks socks, also called thick line socks or
racquetball cuff socks, with the general appearance of the same
thickness and single rib socks, but with the root number of yarn,
and other single rib socks is obviously different. Sports socks
generally use four No. *6 (*6S) or five yarn No. *8 (*1s) yarn, the
line is thick, and the root number, so thick texture, strong wear
resistance, suitable for sports wear, sports socks can feel
comfortable, can protect the feet, than ordinary good moisture
absorption and sweat socks.