There are two major athletic activities in which a particular length of sports sock is apt: when putting on some kind of shin guard, and while running. When worn with shin guards, knee-length socks are usually needed so that they double up, on top of the guards. When running during the winter, knee-length socks can warm up the legs as an alternative for running tights. During the summer, quarter crew, anklet or low-cut socks are great for keeping away from excessive fabric around the legs. As...