The Lululemon Masons Peak Flannel Button Up Long Sleeve Shirt is a versatile and stylish addition to any man's wardrobe. Made from breathable polyester flannel in a blue and gray plaid pattern, this shirt is perfect for casual, workwear, or business occasions. With a collared neckline, button closure, and spread collar style, this shirt offers a classic and preppy look that is easy to care for with machine washable instructions. The shirt also features pockets and a regular fit, making it both functional and comfortable for winter, fall, and spring seasons.