Buy Under Armour - 3 Pack UA Charged Cotton Boxerjocks - Boxer Briefs (Red, Academy & Grey Heather) at THE ICONIC with Free overnight delivery and Free returns! For performance apparel that goes the distance, look to Under Armour. Launched in 1996 by former University of Maryland football player Kevin Plank, Under Armour engineers sportswear, footwear and accessories that keep professional and amateur athletes alike cool, comfortable and light on their feet while working up a sweat.- Charged Cotton generous stretch- Elastic waistband- Pack of three