"Like" Old Navy on Facebook and print a coupon for 20% off one item through January 16th. Plus, right now through January 23rd you can earn $10 Super Cash for every $25 you spent. You can redeem it January 31st to Febuary 6th.
Note: You can also email this coupon to yourself then show it off your smartphone. This coupon is only valid for in-store purchases and may not be able to be used with the Super Cash.