Workwear built for the heat. This hard-working shirt has strategically placed mesh vents that help you stay cool, without compromising its flame-resistance. Its great fit and thoughtfully placed seams give you maximum mobility while you lift and reach. FR Vented Work Shirt Product Features : Greater Arm Mobility™ helps extend arm and shoulder range-of-motion so you can move freelyMoisture Movement Technology™ helps wick moisture away from the skin to keep you dry and comfortableSun Protection Fabric™ helps block harmful UV rays, keeping you covered and comfortable during long days outdoorsVentTEK™ mesh panels provide ventilation in key areas to help keep you cool and comfortable, Back vent with mesh liningAdjustable cuffs are designed for a flexible fit and added comfort, Button-front closure with button-down collar points keeps the shirt neat and polished, Layered double front chest pockets Men's Flame-Resistant Vented Work Shirt in Skyfall, Size: XL by Ariat