Under Armour has applied their moisture-wicking and advanced cooling technology to their underwear to form the Under Armour Tech Men's 6' Boxerjock. These boxer briefs help you cool down while staying perfectly fit to your body without feeling too tight. The material is an extremely soft blend of 90% Polyester and 10% Elastane that is breathable and prevents the growth of odor-causing microbes. The 6" Boxerjack is sold in a pair of 2.