For breathability and comfort in the most important place, The Original Boxerjock is made from lightweight, 4-way stretch 88\\% polyester, 12\\% elastane. HeatGear technology keeps you cool, dry, and light with superior moisture transport. UO ArmourBlock anti-odor technology helps reduce unpleasant body odor. Tagless interior is itch-free. 6" inseam. Fitted.