Carhartt Men's Twill Long Sleeve Work Shirt Button Front S224 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 Long sleeves with buttoned cuffs Carhartt's Twill Work shirt tucks comfortably into work pants thanks to the square bottom hem.