80% Nylon, 20% Polyester. Imported. These Zipper Compression Socks Offers True Graduated Compression To Provide Therapeutic Pressure As It Helps To Decrease In Leg Fatigue, Aching Feet, And Swollen Ankles. Relief From Moderate To Severe Varicose Veins And Swelling, Edema, Lymphedema, Venous Insufficiency, Superficial Thrombophlebitis. Helps Reduce Muscle Soreness and Fast Recovery From Tired Legs. ALL DAY COMFORT AND RELIEF-made of breathable,our stockings feature an open toe and reinforced seams for good looking, durable support thats easy to wear. BOOST BLOOD CIRCULATION-The Pressure Gradient From These Sleeves Helps Boost Blood Circulation During Those Times When Your Standing Or Sitting On An Extended Amount Of Time. The Compression Sleeve Helps Aid Blood Flow and Allows Circulation Throughout The Leg. DOCTOR RECOMMENDATION - The person who standing or working or sitting a long, and tired heavy aching,varicose veins, and swelling of the legs and feet etc. Product includes: 1 pair of compression socks.