The product is a Brooks Brothers 346 men's wool blend button-up shirt in a check plaid pattern, featuring a collared neckline and oversized button accents. Made with a lightweight and woven fabric blend of cotton and wool, this shirt is suitable for casual and business occasions. The multicolor design and regular fit make it a versatile choice for all seasons, with long sleeves and a pocket detail adding practicality to the stylish and preppy look. This button-up shirt from Brooks Brothers 346 is a classic addition to any man's wardrobe.