This pair of Varicose Veins Stockings by Flamingo has a four ways stretch advantage that provides comfort and controlled compression to legs. Compression slows down the progression of varicose veins and their re occurrence. It gives great relief to tired, aching, heavy, tingling and burning numb legs, ankles and feet. It provide controlled compression to the legs to squeeze any abnormal back flow of blood towards the heart. They compress the outer walls of superficial veins to make them strong and prevent varicose veins. Its over lock design prevents after-use impression on your skin.