Old Navy One Day Wonder: Polos for $6April 22, 2011 by Mitchell Wischmann This post may contain a link to an affiliate. See my disclosure policy for more information. This Saturday, April 23rd, Old Navy is running a new one day wonder! From 7am to 10am, you can score polos for the whole family for only $6 each.Deal valid in-store only. Limit 5 per person.