The Pendleton Mason Flannel Shirt is a classic men's button-up shirt in black plaid, perfect for outdoor activities. Made from cotton flannel, this shirt features long sleeves, a collared neckline, and button closure. Machine washable for easy care, this regular fit shirt is suitable for all seasons and has a vintage look with a modern twist. The XL size and button-down collar style give it a stylish and comfortable feel, making it a versatile addition to any man's wardrobe.