Old Navy: Jeans Sale TodayDecember 26, 2009 This post may contain a link to an affiliate. See my disclosure policy for more information. If you’re hitting the post-Christmas sales today, definitely schedule a stop at Old Navy. Their One Day Wonder sale today, 12/26, is on jeans!Grab adult jeans for $15 per pair and kids’ jeans for $10 per pair.Thanks, Mama Cheaps!!