GearXS offers six pairs of Fila Women's Shock Dry No-Show Socks for $11.99. Coupon code "3OFF" cuts that to $8.99. With free shipping, that's the lowest total price we could find by $6, although we saw them for a buck less last week. They fit shoe sizes 4 to 10.
Of note, boys' or girls' sizes are also available for $9.99 before the coupon above, $6.99 after, also with free shipping. Deals end June 26.