Old Navy: Adult Jeans $15 + Kids Jeans $10 (12/26-12/27) December 23, 2010 by Deal Seeking Mom 2 Comments From 12/26 to 12/27, Old Navy is offering a two-day wonder with jeans priced at $10 for kids and $15 for adults! While supplies last. Select styles only. Store hours may vary by location. Limit 5 per customer. In-store only.