✅COPPER/ SOLIDE DESIGN: Made with signature premier microfiber solid material and copper-infused which are naturally thermo-regulating fabric. It makes incredibly comfortable and stretchy. Designed with a non-binding welt top at the ankle, knee-high length give you a better circulation. ✅MILD COMPRESSION LEVEL (15-20 mmHg): They are specially designed to reduce swelling in and enhance circulation in the legs and body. These socks use graduated compression that revives tired feet and legs, so the user will have an easier time walking around. Those compression stockings provide relief from varicose veins, edema, lymphedema. ✅USING FOR EVERYDAY: Our compression socks designed to help maximize the circulation of blood and promote quicker muscle recovery. Ideal for everyday use for workout, walking, soccer and crossfit. Great gift for nurses,athletes, runners and those on their feet on long period of time. ✅SIZE CHART: S/M (Men 6-9.5 Women: 7-10.5), L/XL (Men 8.5-12 Women 9.5-13.5). Machine Washable up to 105F and Snag Resistant, you will be surprised at the quality and effectiveness of the product for the price to keep your feet dry and comfortable. ✅CUSTOMER SERVICE : Customer’s satisfaction is our priority. If you receive compression socks with quality or any problems, please contact us or amazon customer service to deal with. We strive to make everyone satisfied.