Describe Function: sweat absorption Pattern: as shown in the figure Applicable gender: male/female Applicable age: middle-aged (40-60 years old) Main fabric composition: polyester (polyester) Content of main fabric components: 80 (%) Tube height: middle tube Package size: 23 * 8 * 1cm/9.06 * 3.15 * 0.39inch features: 1. It is made of high-quality polyester cotton, soft and comfortable, and has a long service life. 2. The bottom of the sock is designed with tourmaline, which can be automatically heated in cold weather to warm and relax your feet. 3. Tourmaline socks relieve leg fatigue and pain, regulate nervous system, self heat, eliminate moisture and odor, eliminate leg swelling and foot skin peeling, generate static foot massage, and regulate blood flow. 4. It is an ideal tool for treating varicose veins of lower limbs and renal failure. 5. Good treatment for ankles and feet in case of frostbite. 6. Stimulate acupoints. It can be used at any time of day. Rinse with warm water, do not use detergent. 7. It is very suitable for outdoor activities: skiing, snowboarding, hiking, hockey and other sports. Note: There may be some subtle differences between the color of the image and the actual project. Thanks for manual measurement, please allow 1-2mm difference, thank you. Package content: 1*Breathable heat socks