The New Balance Cushioned Tab Socks feature added cushioning in the Achilles tendon area for all-day comfort. An engineered arch offers superior support, while still allowing full-range mobility. Built-in mesh ventilation helps create cooling airflow. Created with NB DRY technology, these socks have sweat-wicking fibers to help keep feet feeling fresh. 97% Polyester, 3% Spandex Size: Medium (Women's US shoe size 6 - 10)