80% Nylon, 20% Spandex Imported Machine Wash BETTER CIRCULATION FOR HEALTH: Compression socks combining fashion, technology and science elements, which promotes blood circulation, preventing cramping, fatigue, and helps in muscle recovery, relieves varicose veins, pain & discomfort, prevents injuries. Doctors and trainers recommend our compression socks highly because they protect your feet better. GRADUATED COMPRESSION FOR PROFESSION: Our compression socks are designed with 20-30mmHg compression, the highest support pressure at the ankle, and gradually decrease along the legs, the compression & support is perfectly located on heel foot calves and the toe area won't squeeze your aching toe joints prevent swelling soreness. PERFORMANCE FABRIC FOR ALL-DAY COMFORT: Our women's compression socks are made from 80% Nylon, 20% Spandex, the breathable fabric keeps your feet dry and an optimal temperature, ensure your feet and legs remain cool in the heat, and warm in the cold. 360-degree stretch for greater flexibility, durability and form-fitting, maintain stability regardless of activity. SUITABLE FOR MANY OCCASIONS: Our socks are very suitable for people who stand and sit for a long time. When you are medical, flight, running, hiking, cycling, long-distance traveling, climbing or other sports occasions. You can all benefit from using our socks. That is a wonderful gift for women, men, nurses, doctors, pregnant women, athletes and runners, soccer, office workers. Product List: 7x Combination Compression Socks