These Sigvaris compression socks help and promote good circulation from the legs to the heart. This is done through the slight pressure exerted on the legs, avoiding major injuries such as thrombosis. This type of socks are suitable for people who spend many hours on their feet, mainly because of their work. Also for the appearance of varicose veins or spider veins, for use after varicose vein surgery or to prevent thrombosis and ulcers. They may be advisable for pregnant women who have noticed the appearance of varicose veins during pregnancy. These socks are ideal for people who are overwhelmed with the stocking up to the top, because with them you will get that both calves are not swollen, avoiding the accumulation of fluids.