Under Armour Original 6" Boxer Jock Print - Men's Under Armour The Original Boxer Jock Print features superior HeatGearŪ moisture transport that helps keep you cool and dry. Articulated pouch provides comfort, ventilation, and support. Four-way stretch, anti-odor technology. Working fly, fitted fit. HeatGearŪ is best for weather between 75 and 100 degrees. 90% polyester/10% spandex. 6" inseam. Imported.