Tanga offers the Fila Athletic Swift Dry Socks for Men's 12-Pack in Crew Cut or Quarter Cut for $18.99 with free shipping. That's $1.58/pair and the lowest total price we could find by $3. They're available in sizes 10-13 or 9-11

Of note, Tanga also offers a Fila Women's Athletic Swift Dry 12-Pack in Crew Cut or Quarter Cut for $18.99 with free shipping. That's also $1.58/pair and the lowest total price we could find by $3. They're available in sizes 9-11 only