From Ariat, this shirt features: hidden button-down collar short sleeves greater Arm Mobility seam construction for maximum range of motion double front Velcro® pockets button-front closure hidden microfiber lens cloth on shirt tail breathable mesh back fabric finish inhibits the growth of bacterial odors VentTEK™ technology features body mapping to enable air flow and regulate body temperature Sun Protection Fabric™ with UPF rating of 50 provides protection from ultraviolet rays Moisture Movement Technology™ wicks moisture away from the skin polyester machine wash Imported.