Moisture control fibers & ventilation channels for air flow. Reinforced Toe & Heel. Provide adequate cushion & durability Designed with arch compression providing ultimate support, stability, and comfort Stretchy Top won’t leave marks and stays in place without being tight. Stops growth of odor producing bacteria 60% Cotton, 38% Polyester, 2% Spandex MIO MARINO PROMISE -free 30 day exchange and return Mio Marino Men's Moisture Control Crew & Athletic Socks provide the utmost in comfort .This one-pack socks protects your feet with cushioning and an added layer of soft, moisture-wicking fabric. Keeps your feet dry and odor free with ventilation channels and odor stopping fibers.