Strategically placed mesh vents add extra comfort to this hard-working shirt. It has the same good looks and great fit as our Western performance shirts, plus flame-resistance ideal for hazardous work environments. FR Solid Vent Work Shirt Product Features : 0 : Moisture Movement Technology™ wicks away moisture from skinGreater Arm Mobility™ for freedom of movementVentTEK™ technology puts airflow where you need it most to keep you cool, 1 : Honeycomb mesh side panelsBack vent, 2 : Front chest zip pocketButton down with double front chest pockets Men's FR Solid Vent Work Shirt in Navy, Size: MT by Ariat