Four Aerie Panties for $14.00!! This post may contain affiliate links or sponsored content. See Disclosure Policy. Online Deals WOW! Check out this deal on Aerie Underwear!! You can grab four pair for just $14.00 when you use the code UNDIES2021! This works for the ones that are on clearance. These are so many to choose from..great time to stock up! Shipping is free with a $50 order or when you buy a bralette, bra or swim!!