4.5oz/yd2 / 155 gsm ; 55% cotton, 45% polyester twill; Wrinkle-resistant; Stain-release; Contrast collar details; Dyed-to-match pearl buttons; Contrast side vents; Industrial Laundry Tested to 50 washes; Carbon neutral style in partnership with Green Story third party verified carbon offset program.� For more information click on carbon neutral link above MSRP.