From Ariat, this shirt features: Extended breathable mesh yoke Hidden button down collar Short sleeves Button closure Zippered front chest pockets Graphic logo on front and back AriatTEK® Heat Series technology keeps you cool when the competition heats up VentTEK™ technology features body mapping to enable air flow and regulate body temperature Sun Protection Fabric™ provides protection from ultraviolet rays Moisture Movement Technology™ wicks moisture away from the skin Greater Arm Mobility underarm gusset for maximum range of motion Hidden microfiber lens cloth on shirt tail TEK woven fabric Polyester ripstop machine wash/tumble dry Imported.