Wormwood warm socks self-heating health care massage socks tourmaline middle tube thick warm foot socks hot moxibustion cold socks 1. Tourmaline physiotherapy: The self-heating principle of tourmaline at the bottom has mild thermal properties and has a warming effect on cold feet. 2. Humanized body-fitting design: the self-heating socks have a humanized body-fitting design, which fits the curve of the foot and makes the hot spot close to the skin on the sole of the foot. 3. Promote blood circulation: Self-heating socks can massage foot acupoints, regulate the nervous system, and promote blood circulation. 4. Comfortable and breathable: The self-heating socks are made of high-quality polyester cotton, soft and comfortable, and have a long service life. One size fits most men, women or teens. 5. Wide range of uses: Self-heating socks are suitable for outdoor activities: skiing, snowboarding, hiking, hockey, camping hiking, motorcycle riding, etc. Specification Material: Cotton Blend Color: black, red, white Pack size: 21 15 3 cm Weight: 38 grams Package Included: 1 pair of self-heating socks