Run, train, or warm up before a game, he's got to stay focused, and that's where this 1/4-zip comes in. With adjustable ventilation, it adds mesh panels for all-around breathability, and helps keep perspiration to a minimum, thanks to moisture-wicking, odor-controlling properties. Loose: Fuller cut for complete comfort. Two-tone UA Tech(TM) fabric is quick-drying, ultra-soft & has strategic mesh zones for breathability. Material wicks sweat & dries really fast. Anti-odor technology prevents the growth of odor-causing microbes. 100% Polyester. Imported.