4.5 oz./yd²/155 gsm (US), 7.5 oz./L yd (CA), 55% cotton, 45% polyester twill; Wrinkle-resistant and stain release fabric; Button-down collar; Left chest pocket; Hemmed sleeves; Extra stitching at seams and buttons; Flat-felled seam finishing; Full back yoke and back pleat; Signature horn-style buttons with Harriton logo;