Winter Thermal SocksDon't forget to get some for your family and friends as it's a unique gift idea. Keep your feet warm and cozy. FEATURE Thermal Insulated Self heating technology integrated to keep you always warm even under extreme weather conditions. Moisture Wicking Regulate your body temperature efficiently and the fleece touching your skin has a dry, non sticky feel. Durable Densely weaved on both sides, does not pile or form lint balls easily. SPECIFICATION