Moderate compression: 15-20 mmHg Anti-microbial & anti-odor Improves blood circulation by increasing oxygen & blood flow to provide increased stamina, enhanced performance & expedited recovery Specially treated for moisture wicking to keep feet cool & dry and prevent fungus & odors Cushion heel & sole pad with Ultrafresh yarn treatment provide added comfort, protection and keep feet cool & dry Nylon upper provide enforced support Arch support designed for secure & stable fit Seamless reinforced toe maintains optimal comfort & durability Contents: 33% Nylon, 32% Polyester, 18% Cotton, 11% Acrylic, 6% Spandex