This deal has ended.
Through 3/13, buy one bra at Aerie.com and get a second for $15. For example, if you purchased the Paige Cotton Pushup Bra (pictured) for $34.50, you could get the Katie Lightly Lined Bra, originally $34.50, for $15. Shipping is $7 or free with $100. Sales tax is charged in most states.