The Rejuva Coolmax Knee High 20-30 mmHg Compression Socks are fashionable medical support socks that are perfect for those who need to make a statement. 20-30 mmHg Compression is generally recommended for people with moderate varicose veins, moderate lymphatic edema, and superficial thrombophlebitis. Graduated compression socks offer relief from even the most unbearable foot and ankle ailments. These stylish ribbed medical support socks are designed with business in mind. Take pride in the fact that they look like classic dress socks while offering the energy and support you need to make it through the workday. The graduation provides a tight fit at the ankle and loosens towards the top making them ideal for adequate blood flow. High performance COOLMAX provides enhanced moisture control while the top band holds without binding for unmatched comfort. These firm compression stockings are perfect for any business professional. Wear them at your desk, in a meeting or on the go and know that your legs are happy and healthy. Sweat and swelling will no longer be a problem at work. The luxurious blend of 40% COOLMAX 40% Nylon 20% LYCRA Spandex provides all-day moisture-wicking comfort. CARE INSTRUCTIONS: Wash in cold water on the gentle cycle and line dry. Sold as a single pair.