As one of its daily deals, Deal Genius offers this US Polo Assn. Men's/Women's/Kids' Low Cut Socks 12-Pack in Black/White for $12 with free shipping. That's the lowest total price we could find on this quantity by $22. They're available in men's size 8-12, women's 4-10, boys' 11-4, and girls' 11-4. Deal ends today.
Walmart offers two Starter Boys' Socks 10-Packs in Crew for $10. Opt for in-store pickup to dodge the $4.97 shipping charge. That's 50 cents per pair and the lowest total price we could find for that quantity by $10. The socks are white and made from a cotton blend.
They're also available in no-show for 50 cents more.