Silicone Point DesignThe silicone points on the bottom of the thermal socks can stimulate the acupoints on the feet, leg fatigue, regulate , and then play the role of heating and keeping warm, bringing warmth to the feetMultifunctionalHeated socks can leg fatigue, , remove moisture and odor, eliminate swelling of legs and feet, peel skin, create static foot massage, regulate .Keep Feet WarmThe self-heating mid-calf socks are made of polyester cotton, which is soft and comfortable, with good breathability and warmth retention. Fits the curve of the foot, keeping hot spots close to the sole skin.Anti-slip DesignThe non-slip yoga socks have sticky points on the bottom, which provide better grip, improve stability and balance, keep you safe, avoid injury, and better control your body movements. These super stretchy, stretchable heated socks are both men and women.Suitable for Most OccasionsWarm design keeps feet warm throughout the winter, winter thermal socks for men and women are outdoor activities, mountaineering, skiing, jogging, cycling, hiking, ice hockey and snow shovelingColor: BlackMaterial: CottonSize: 28.00 X 9.50 X0.20 cm / 11.00 X 3.73 X 0.08 inPackage Including:4 x Pairs of socks