4.5 oz/yd²/155 gsm (US), 7.4 oz./L yd (CA), 55% cotton, 45% polyester twill; Wrinkle-resistant finish and stain release performance; Structured collar stand with integrated collar stays; Button-down collar; Dyed-to-match pearl buttons; Double chest pockets with button closures and pen slot; Left-chest zippered pocket at placket; Side vents;