1st therapeutic class tights with a revolutionary fabric made from the latest generation of yarns & technologies. An extraordinarily elastic knitting makes these easy to wear & comfortable all day long. The graduated 18/21 mm Hg compression is designed to cure varicose veins, substantial edemas & is ideal for post-varicectomy & post-sclerotherapy prophylaxis. Light & silky, elegant & perfect for all occasions. Modeling top with soft elastic waist & antistress sole in bacteriostatic yarn. Sanitized hygiene function for all-day freshness.