amazon.com has a 6-Pair of adidas Superlite Girls' No Show Socks (Small-Medium) for $8 with free shipping on $25+ or with Prime.

Nike.com Save up to 40% off of men's, women's, and kids' clothing, shoes, and accessories. Nike+ members receive free shipping. (Not a member? It's free to join.)

kohls.com you get an additional 15% off throughout the site when you use coupon code UGET15 at checkout. Valid through May 15th