Sports Authority offers the Under Armour Women's Victory Tank Top
in Chlorophyll/White, Hibiscus/White, Playful, Water, Fluorescent Pink, or Fire/White (pictured) for $12.97
with free shipping. That's $3 under our August mention and the lowest total price we could find by at least $8. It's available in sizes XS to XL, although not in all size/color combinations.
Update: Get free 2-day shipping when you check out via PayPal.