The fine print: *Offer valid while supplies last May 28, 2010 through May 31, 2010 at Old Navy stores in the U.S. and Canada only. Not valid online. Limit 5 per customer. Free item must be of equal or lesser value. Discount taken at register. No adjustments on previous purchases. Not valid for cash or cash equivalent. Cannot be combined with any other offers or discounts. Limited selection of colours, sizes, and quantities.

Click here for the Old Navy website (offer is not valid online)