4.5 oz./yd², 93/7 polyester/spandex heathered micro mesh; Self-fabric collar with band; "Champion Since 1919" engraved three-button placket; Standard finish sleeves and hem; Side vents; Reflective "C" logo on left sleeve; This product meets the following Sustainable Style subcategories:; Socially Conscious Manufacturing: This product was made by a mill that has partnered with or is accredited by the Fair Labor Association; ;