Ralph Lauren offers its Ralph Lauren Girls' Skull & Stripe Knee-High Socks in Lime for $2.99. Plus, coupon code "BEACH" bags free shipping. That's the lowest total price we've seen for any pair of Ralph Lauren socks and $14 under the best price we could find for a pair of Ralph Lauren girls' knee-high socks elsewhere. They're available in sizes 8/9.5 and 9/11. Deal ends August 25.