Finish Line offers the Men's Nike Hyper Elite Basketball Crew Socks in seven colors (White/Game Royal pictured) for $9.99 plus $5.49 for shipping. (In-store pickup may also be available.) That's the lowest total price we could find by $5. They're available in sizes S to L (3Y to 12), although not in all size color combinations.

Also available are the Nike Men's Hyper Elite Basketball High Quarter Socks in eight colors for $9.99 plus $5.49 for shipping. That's the lowest total price we could find by $3. They're available in size L only.