The Patagonia Fjord Flannel Button Down Shirt in men's size M and blue/gray plaid design is a versatile and sustainable piece for various occasions such as travel, casual wear, and workwear. Made from heavyweight organic cotton flannel, this shirt features a spread collar, long sleeves, and pockets for added functionality. Designed for year-round wear, this classic and colorful shirt is machine washable and a perfect addition to any wardrobe, combining comfort and style with a touch of outdoor flair.