10 Pairs of Aerie Undies for just $30 June 7, 2018 by SMFM Leave a Comment Don't Miss a deal! Sign up for our Daily Free Email HERE! Join us on Facebook HERE and our Facebook Group. Aerie is offering 10 Pairs of Aerie Undies for just $30 – no promo code required! Just add 10 qualifying pairs to your cart for the instant savings. Choose from thongs, cheekies, bikinis, boybriefs, boyshortsand more! Score free 2-day shipping on $25+ orders through Shoprunner (grab a FREE 2 Year ShopRunner Membership here).