Proud of their roots. If you look closely, you'll see that the ""M"" of Manchester United's home city has woven its way into the designs of some of the club's most memorable kits. These adidas football socks pick up that thread. They show off a contemporary, abstract design that echoes a classic, early-'90s kit. Created to keep fans comfortable, the socks include targeted cushioning, arch support and a left- and right-specific fit.