100% 2-ply cotton, Available in classic and slim fit, Non-iron, Classic Collar, Classic and slim fit: back pleats, Short sleeve, Chest pocket, Machine washable - Non-Iron Poplin Short-Sleeve Shirt - White | Men's Charles Tyrwhitt Non-Iron Poplin Short-Sleeve Dress Shirt - White Size Medium Cotton Charles Tyrwhitt Shirt, White Dress Formal, Smart Jackets, Morning Suits, Collarless Shirt, Italian Suit, Business Casual Shirts, Navy Blue Suit, Charles Tyrwhitt