First Tactical Cotton Duty Socks (3-Pack)62% cotton, 5% nylon, 28% spandex, 5% rubber Men's US 9 12 Women's US 10. 5 13 Comfortable, breathable cotton gives you a reliable tactical sock, while enhanced design takes it the extra mile. Made with natural fiber, moisture wicking and quick dry material, and with additional cushioning beneath the sole, you'll have a sock you can trust. Measuring six inches these socks work best with short to medium height tactical boots.