From Ariat, this shirt features:  Classic fit Hidden collar buttons Short sleeves Extended breathable mesh yoke Button-front closure Zippered front pockets Greater Arm Mobility™ underarm gusset for maximum range of motion Hidden microfiber lens cloth on shirttail Built-in sun protection and moisture-wicking technology 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 TEK woven fabric Polyester ripstop Machine wash/tumble dry Imported.