100% cotton, Available in slim and extra slim fit, Non-iron, Modern spread collar, Split yoke for optimal fit and comfort, Slim fit: back pleats for ease of movement, Extra slim fit: streamline back darts, Mitred two-button cuff or square French cuff, Complimentary brass collar stays, Machine washable - Cutaway Collar Non-Iron Twill Shirt - Navy | Men's Charles Tyrwhitt Cutaway Collar Non-Iron Twill Dress Shirt - Navy Single Cuff Blue Size Small Cotton