Aeropostale: 50% off Everything – Tshirts $8, Boxers as low as $3.99 + MORE! This post may contain affiliate links. Please see the full disclosure policy here. Posted on February 17, 2012 Written by Mary Leave a Comment Aeropostale is having an AWESOME Presidents Day Sale!! 50% Off Everything at Aeropostale! ALSO I found some nice stuff in the clearance section. Like these $3.99 boxers (WERE $12.50!!) If you use ShopAtHome.com you can grab 4% cash back too!