5.7oz. Pique, 100% Performance spun polyester. Superior color retention keeps the shirt looking new. Soil release ensures a clean look after every wash. Moisture management keeps the wearer dry and comfortable. No-curl collar for a crisp look all day long. Taped collar seam and reinforced shoulder seams for added durability. Three-button clean finish placket with tortoise shell buttons. One hemmed spade style breast pocket.