PRIM Viadol Long Pantyhose A-F Normal Compression Beige T-4 are normal compression stockings designed to help improve circulation and reduce leg fatigue.They are ideal to help alleviate venous insufficiency, heavy and swollen legs, and varicose veins, prevent spider veins, during pregnancy and long days on your feet. They are bi-elastic and upward compressive.*Size: Size 4 has an approximate ankle circumference of 24-25cm, calf 37.5-39cm and thigh 48.5-50cm. Also available in other sizes.**For hygiene reasons, no returns or exchanges will be accepted on this product.