Zensah Wool Running Socks - Soft Cushioned Merino Wool, Moisture Wicking, Anti-Blister - Athletic Socks, Trail Socks 35% Nylon/32% Merino Wool/22% Polypropylene/11% Spandex Imported Prevents Blisters: The running socks feature a cushioned sole to help prevent blisters and provide light shock absorption. Dry and Lightweight: The wool in the running socks provide moisture wicking properties to the running socks. Whether you are sweating or step in a puddle, the moisture wicking technology in the socks will to keep them dry and lightweight. They are also anti-odor, preventing the buildup of stink. Stays in Place: Unlike other running socks that may slip or slide during hard workouts or runs, the Zensah Wool Running Socks contain spandex to ensure they closely hug your feet and do not slip slide. Ultra-soft, Non-itch Merino Wool: The Zensah Wool Running Socks are one of the softest running socks you will ever wear. The blend of merino wool allows for superior comfort with zero itch. Superior Ventilation: Strategically placed mesh panels on the running socks helps to promote increased air flow, keeping feet at the perfect temperature. Whether using the wool running socks during winter or summer, your feet will feel great.