Kids Christmas Socks. If Christmas socks are starting to become a necessity in your household during December, then we can help you with our kids festive Christmas socks. In our 4 pack of kids Christmas socks there are 4 fun designs including penguins, polar bears, elves and Santa with his favourite reindeer Rudolph. Your child will also have soft comfortable feet as well as having festive feet as these socks are rich in cotton with a 70% cotton content. We also have 3 sizes for you to pick between so that they fit correctly and comfortably. These will also prove to be a great stocking filler on the day. They are also machine washable but it is advised to wash dark colours separately..