SIGVARIS Women’s Essential Opaque 860 Closed Toe Calf-High Socks 20-30mmHg provide medical-grade compression to promote healthy blood flow in the legs. They are made of a comfortable and durable opaque material that conceals blemishes and veins, making them a fashionable choice for everyday wear. These socks are recommended for individuals with venous insufficiency, varicose veins, and leg swelling, as well as for post-surgical and post-sclerotherapy treatment.