Gone are the days of chilly feet with the Pair of Self-Heating Acupoint Tourmaline Socks Made from a self-heating tourmaline material that warms up with your body temperature Provides heat and comfort to your toes while you relax or go about your day Encourages a brighter mood and relaxation in your body too Wash under warm running water - do not use detergents Comes as a pair suitable for men or women Choose from 3 colours: white, red or black Materials: polyester and cotton One size: suitable for UK sizes 4-7.5 Save 50% on the Pair of Self-Heating Acupoint Tourmaline Socks - now only 4.99 pounds