Under Armour Charged Cotton 6" Boxer Jock - Men's The Under Armour Charged Cotton 6" Boxer Jock is made with natural cotton that delivers superior feel, extreme comfort, and UA performance. Lightweight, four-way stretch fabric improves range of motion and accelerates dry time. Anti-odor technology prevents the growth of odor-causing microbes to keep your gear fresher, longer. Ultra-plush waistband delivers a secure, comfortable fit. Working fly for convenience. Boxed style, fitted fit. HeatGearŪ is best for weather between 75 degrees and 100 degrees. 95% cotton/5% spandex. 6" inseam. Imported.