Dr San Varicose Stockings are designed to offer compression at the ankle measured in millimeters of mercury. This compression, strongest at the ankle and gradually reducing towards the top of the panty hose, assists blood circulation up the leg. These stockings also help relieve leg discomfort due to swelling, varicose veins, fatigue, pregnancy, and more. 100% Italian Technology. Made of 22% Lycra and 78% Polyamide. Available in multiple sizes, styles, and colors!