Tommy Hilfiger Solid Blue Straight Collar Men's Dress Shirt 100% Cotton 100 % Cotton Men's Dress Shirts Single needle tailoring at 18 stitches per inch and double needle side seams Built up collars w/removable stays Signature details include green sleeve placket button hole and bar tacks on pocket Machine was warm, gentle cycle.Only non chlorine bleach if needed.Tumble dry low and remove promptly.Warm iron.