Engineered Collar that prevents collar from rolling-over Concealed button down collar fastener Ingredients: 100% cotton 240 units made (# listed on inside label) Single Release Item: Will not be reissued after it's sold out. Machine Washable Slim tailored fit: Other auction is for the blue How to wear: Wear it perfectly pressed or wrinkled & untucked for that effortless look. Questions? Leave a comment below!