TightsPlease (www.tightsplease.co.uk) stock a fantastic range of ladies socks, including stripy over the knee socks, functional trouser socks and even flight socks, they have something for ladies of all ages.
Often derided and ignored socks are an important part of a winter wardrobe, pull on a pair of knee socks over your tights on a chilly morning they are better than leggings as you toes are kept nice and toasty too.