4.4 oz./yd², 97/3 polyester/spandex; Micro-mesh; Classic fit; Fresh IQ anti-odor; Flatlock-stitched; Self-fabric collar; Side vents; Reflective "C" logo on back neck; 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; ;