3 zones of graduated compression from ankle to calf maximize circulation and minimize swelling. This reduces the risk of blood clots and varicose veins. Graduated support relieves tired, aching legs and feet and reduces muscle fatigue. Size - Socks Size 9-11 ( Fit Women shoe size 4 to 10 ) .Calf Circumference 12 inches to 18.5 inches . 8-15 mmHg graduated compression: Provides mild compression to improve blood circulation and reduce swelling YOUR LEGS YOUR LIFE Improved circulation leads to healthier legs and reduced discomfort and swelling. Our Graduated Compression Socks apply pressure on certain areas of the body. True graded compression supports your legs while also reducing fatigue, pain and preventing injuries Moisture Wicking - Made with moisture-wicking fabric, our socks help to keep your feet dry and odor-free by drawing sweat away from the skin. Comfort - Our socks are made with a soft, breathable fabric that provides all-day comfort. The fabric is also stretchy, which allows for a full range of motion. COMFORT AND PERFORMANCE Our compression socks are ideal for people of all ages and stages of life. Everyone can benefit from compression's power. These compression socks will help avoid discomfort, fatigue, inflammation, and stiffness in the lower extremities while boosting circulation and overall comfort. These Dr. Motion Knee High Socks are perfect for women who want to improve their circulation and reduce swelling. The graduated compression technology helps to increase blood flow, while the silicone band at the top of the socks provides extra support and comfort. The socks are made from a blend of cotton, nylon, and spandex, which makes them soft, breathable, and durable. They are also machine washable and available in a variety of sizes and colors. Whether you are recovering from an injury, or just looking for a comfortable and supportive pair of socks, these Dr. Motion Knee High Socks are a great choice.