4.5 oz/yd2, 155 gsm; 55% cotton, 45% polyester twill; Wrinkle-resistant and stain-release fabric; Extra stitching at seams and buttons; Flat-felled seam finishing; Signature horn-style buttons with Harriton logo; Hemmed short-sleeves; Button-down collar; Left-chest pocket; Full back yoke and back pleat; Carbon neutral style in partnership with Green Story third party verified carbon offset program.? For more information click on carbon neutral link above MSRP.