They help maintain blood circulation. Pack of 2 pairs of Dynaven compression socks, Sigvaris brand. They are transparent, sober and effective. They will bring you aesthetics and lightness. They are classified as a medical article. Compression stimulates venous circulation, as it prevents the vein from dilating and fights against the deterioration of the venous wall. It exerts a passive resistance to swelling of the leg that relieves pain and heaviness. They are indicated for people with varicose veins or who have undergone surgery or sclerotherapy. Hand or machine wash on delicate 30 ºC with reduced spin every day. Available in pack of 2 in black and size XL. Must be worn regularly, except at night. Not suitable for people with diabetes or neoropathies.