Shop select Undies priced at 3 for $14.50 or 7 for $27.50 right now at Aerie.com. Shipping is $7 or free with $50. Normally priced between $7.50-12.50 apiece, that's a savings of up to 69%! You can mix and match styles like these Fairytale Lace Boybriefs, $12.50, with these Vintage Lace Cheeky Undies, $12.50, to get the deal or stock up on single pairs. We couldn't find these undies anywhere else for less. The boybriefs comes in six colors/prints and feature a low rise with a no peak cheek. The cheeky underwear come in six colors and feature a moon and heart overlay. They also have a low rise and a more peek cheek. They have a mesh back as well. Sales tax is charged in most states.