These Graduated Compression Thigh Highs are open toe, made of Microfiber, and are of 25-30 mmHg compression. They are recommended for the treatment of varicose veins, other venous insufficiencies and blood circulation problems. Our collection of Graduated Compression hosiery offers the support you need - sheer, elegant and comfortable, and designed for the fashion-conscious woman who feels the physical pressures of an active lifestyle. Graduated compression provides firmer support at the foot and ankle, where you need it most, and gradually decreases up along the leg, then to the knee and thigh. This unique construction acts as a second heart - increasing blood circulation and preventing general body fatigue. They are an investment in your health and last much longer than regular hosiery. Graduated Compression Hosiery are ideal for people who: Work on their feet (i.e. waitresses, delivery people, sales associates, teachers, hairdressers.), lift and carry heavy loads. Travel or work in the airline industry, at the risk of developing venous disorders due to hereditary history. Are pregnant or have recently given birth and those who experience tiredness, aching and swelling of the lower legs. Size: XL. Helps keep your blood pumping and circulating, acting like a second heart . Provides strong compression at the foot and ankle and gradually decreases up. Prevents general body fatigue. Reduces aching and tiredness of legs. Beige color.