From Under Armour, this polo shirt features: jacquard fabric 4-way stretch polo collar with 2-button placket short sleeves iridescent foil logo Moisture Transport System that wicks sweat and dries fast anti-odor technology UA Microthread technology in the fabric that dries faster, won't cling to you, won't chafe, and stretches without absorbing sweat 30+ UPF polyester/elastane machine wash Imported.