Old Navy: 30% off CouponOctober 21, 2010 by Mitchell Wischmann This post may contain a link to an affiliate. See my disclosure policy for more information. If you’re planning on shopping at Old Navy this weekend, be sure to take a printable coupon with you! You’ll get 40% off if you have an Old Navy card, or 30% if you don’t.Also, don’t forget about the $5 Performance Fleece Vests on sale this Saturday, 10/23! If the coupon is valid on the fleeces, you can them for only $3.50 (or $3 if you have an Old Navy card)!Coupon valid 10/23/10 through 10/28/10.