Ariat Men's Rebar VentTek Short-Sleeve Shirt - Rebar™ Made Tough Shirts are made to work hard and keep you comfortable all day long. Greater Arm Mobility seam construction for maximum range of motion Moisture Movement Technology™ keeps you drier VentTEK™ technology features body mapping to enable air flow and regulate body temperature Elastic fibers woven into fabric for maximum flex Hidden microfiber lens cloth on shirt tail Triple needle stitched for added durability 4 oz technical stretch fabric Button-down chest pockets and collar Mesh lining Vent panels Metal buttons Drop tail hem Embroidered logos 92% Polyester/8% Spandex Style: 10031027