Brooks Brothers Slim Fit Non Iron Dress Shirt. Pre worn but great condition! No marks or stains. expertly woven fine poplin cloth in Supima®, the world's finest cotton. Featuring the Original Polo® Button-Down collar we invented, signature 6-Pleat Shirring® and barrel cuff, for unrivaled comfortable polish. Technically superior, perfected over decades: our non-iron shirts keep you polished and virtually wrinkle-free all day, every day.