Having cold feet is horrible no matter what your age but with these new Heat Holders from SockShop cold feet should be a distant memory! With an amazing tog rating of 2.34 these socks have been designed to eliminate the need for wearing as many pairs of socks as possible! These clever socks work by trapping heat and holding it closer to the feet for longer. The extra heavy bulk yarn, long pile cushioning and intense brushing process means these socks are super soft and over 5 times warmer than a typical cotton sock! The knee high length means these socks are perfect for wearing with wellies or winter boots. Extra thick, extra comfortable and extra warm you really couldn’t want anything else from a thermal sock!Advanced Insulating Yarn – High performance insulation against cold with superior moisture wicking abilities.