Before you return any items to Old Navy you should check the Returns Policy to be sure of the correct process. Returns policies are subject to change so it is worth the time checking them over quickly before you ship an item.
Old Navy Returns Policy
If you are looking to get a refund from Old Navy for an item you wish to return, make sure the item is in its original condition: unwashed and unworn. Items will not be accepted and you will not be refunded if you do not return the goods in the condition they were received in. Items which are damaged can be returned at any time.
Refunds do require proof of purchase to, so include the invoice mailed with your item. There is no cost to return items to Old Navy, you can send them back free of charge - and you have 45 days from purchase to send the items back. You can return items instore as long as your item is not marked as 'mail only'.