The JOBST ActiveWear – Unisex Calf High Closed Toe Full Calf compression socks are designed for active individuals who need support and compression for their legs during physical activity. They feature gradient compression of different Grades to support blood flow and prevent swelling, as well as Dri-release technology for moisture management and odor control. The socks are made with a cushioned foot and seamless toe for all-day comfort. They are composed of a combination of polyester, nylon, cotton, and spandex materials and are also useful in preventing the development of varicose veins or DVT during long periods of sitting or standing.