Carhartt Men's Twill Short Sleeve Work Shirt Button Front 5.5-Ounce, 65% Polyester/35% Cotton Twill Imported Button closure Machine wash warm with like colors.Use only non-chlorine bleach when needed.Tumble dry low, remove promptly Wrinkle and stain resistant Two front flap pockets with button closure Short sleeves Carhartt's Twill Work shirt tucks comfortably into work pants thanks to the square bottom hem.