When sitting, standing or walking for a long time, the legs get tired, blood circulation is disturbed, the legs start to swell, there is a risk of varicose veins and blood clots. These unpleasant sensations can be avoided by wearing prophylactic compression stockings, which activate blood circulation in the legs (compress the vein, narrow its cross-section and thus prevent blood accumulation in the lower limb).  In this way swelling  and fatigue in the legs is reduced. Also this type of compression socks ensure prevention of chronic venous insufficiency progression. Blood can flow back to the heart without obstruction, thus preventing swelling and heaviness in the legs. For these reasons, preventive compression stockings are perfect for everyday wear, in early pregnancy, with mild swelling, great companion for longer trips.