65% Polyester/35% Rayon. High quality Teflon finish, Stain and wrinkle resistant, Highest quality YKK manufactured brass zipper, two wide seam pockets and two welt rear hip pockets with tab and button closure, Auto-adjusting hidden size elastic, rubberized no-slip “stay tucked” waist insertion keeps your shirt firmly tucked for a professional appearance and stress points are bar-tacked.