This Patagonia shirt for men in size M features a stylish gray and red striped pattern, perfect for any casual occasion. The long-sleeved button-up design is made from high-quality organic cotton flannel fabric, ensuring both comfort and durability.

The shirt also includes a spread collar, collared neckline, and button closure, with accents of the brand's logo and pockets for added convenience. Ideal for all seasons, whether it's summer, fall, or spring, this shirt is perfect for the outdoors and beyond.