The product is a men's XL red, white, and blue plaid button-down shirt from Brooks Brothers in the Milano Fit style. It features a collared neckline, long sleeves, and is made of cotton with a woven fabric type. The shirt is machine washable and has a classic preppy theme, suitable for various occasions including travel and casual wear. With its regular fit and button-down closure, this shirt is a versatile and stylish addition to any man's wardrobe.