Wear-tested and ready to ride, this button-front shirt features VentTEK side panels for air flow and moisture-wicking technology. AriatTEK Heat Series technology keeps you cool when the competition heats up Greater Arm Mobility seam construction for maximum range of motion Moisture Movement Technology wicks moisture away from the skin Sun Protection Fabric provides protection from ultraviolet rays VentTEK technology features body mapping to enable air flow and regulate body temperature Button chest pocket Mesh yoke lining Hidden sunglasses cloth Tek woven 48%Polyester 44%Nylon 8%Spandex