100% cotton, Available in classic, slim and extra slim fit, Non-iron, Classic collar, Classic and slim fit: back pleats, Extra slim fit: back darts, Rounded button cuff with two buttons or square french cuff, Machine washable - Non-Iron Prince Of Wales Poplin Shirt - Light Blue | Men's Charles Tyrwhitt Non-Iron Prince Of Wales Poplin Dress Shirt - Light Blue Single Cuff Size Medium Cotton