Features: Material,made of quality polyester cotton with the characteristics of softness and comfort, with good breathability and excellent warmth retention. Multifunction,heated socks can relieve leg fatigue, relieve pains, regulate the nervous system, remove moisture and eliminate odours, create static foot massage, regulate blood circulation. Tourmaline slimming health sock desig for both men and women with one size.this super elastic and stretchable heated socks with one sizes fits for unisex adults.the bottom of socks which combining with ergonomic designs. Nonslip designs,featured by dots on the bottom of the nonslip yoga socks, our unisex anti-skid socks offer better grip for improved stability & balance you can stay safe, avoid injuries and have better control of your body movements. Make exercise comfortable,with these thermal socks you can keep your whole winter away from the cold you can give out the warmth every moment. winter warm socks for outdoor activities, skiing, snowboarding, hiking, hockey and other sports. the bottom of the sock is designed with tourmaline, which automatically warms up in cold weather and relaxes your feet. Specifications: Material:Polyester Cotton Package Includes: 2 Pairs Tourmaline Slimming Health Sock note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.