Jobst For Men Knee High Closed Toe Socks in Black Tall are stylish compression socks designed to promote blood flow in the legs and prevent the development of various leg-related conditions. They are made from a durable nylon and spandex blend, and they are suitable for men who suffer from mild to moderate swelling in the legs, varicose veins, and deep vein thrombosis. These socks are also ideal for individuals who spend long hours standing or sitting, such as travelers and workers.