GearXS offers the Girls' No-Show Emoji Fashion Socks 6-Pack for $4.99 with free shipping. That's tied with our mention from a month ago at $15 off and the best price we could find. They ship in assorted styles and are available in girls' 6-8 and ladies' 9-11. Deal ends July 26.
Walmart offers the Starter Boys' Performance Crew Socks 3-Pack in six colors (Blue pictured) for $1.50 with free shipping. That's tied with last month's mention at $3 off list and the lowest total price we could find. They're available in sizes M or L, although not in all size/color combinations.