Old Navy: 50% off Outerwear Coupon October 22, 2010 by Mitchell Wischmann This post may contain a link to an affiliate. See my disclosure policy for more information. Old Navy has hit 1,000,000 Facebook fans, and to celebrate, they’re offering everyone a coupon for 50% off all outerwear! Just click on the ‘Fans Only’ tab to get yours. Coupon valid October 26 through 28. Thanks, Penny Pinchin’ Mom!