The product is a Ralph Lauren Men's Classic Fit Long Sleeve Button-Up shirt in a black and blue plaid pattern. Made from cotton with a woven fabric type, this shirt features a collared neckline and button closure, making it perfect for casual occasions. With a regular fit and size L, this classic button-up shirt is designed for all seasons, including winter, fall, and spring. Perfect for men looking for a timeless and versatile addition to their wardrobe.