Under Armour Men's Tactical Sub Range Polo 95% Polyester/5% Elastane Imported Smooth, soft anti-pick, anti-pill fabric has a cleaner, snag-free finish Stretch-mesh underarm & center-back panels deliver strategic ventilation 4-way stretch construction moves better in every direction Material wicks sweat & dries really fast Anti-odor technology prevents the growth of odor-causing microbes