The Patagonia Button Up Shirt in Mens XL is a stylish and sustainable choice for casual occasions. Made from organic cotton flannel in a teal plaid pattern, this shirt features a collared neckline, long sleeves, and a button closure. With a regular fit and a classic, nature-inspired theme, this shirt is ideal for outdoor activities in the winter, fall, or spring seasons. The shirt also includes pockets for added convenience, making it a versatile and comfortable addition to any wardrobe.