Tri-Mountain Gold 100% Cotton Wrinkle Free Dress Shirt. 973 100% Cotton 4.8 oz. 100% cotton non-iron striped dress shirt. Features fine 40-singles yarn specially treated to resist wrinkles, while maintaining an extremely soft hand feel. Bust and vertical darts provide a flattering fit. Enjoy the convenience of the Tri-Mountain wrinkle-free technology. No ironing required.