The Patagonia Organic Cotton red size Large Men's Flannel Shirt is a stylish and comfortable button-up shirt made from high-quality flannel fabric. With a regular fit and long sleeves, this shirt is perfect for casual wear during the cooler months. The vibrant red color and organic cotton material make it not only trendy but also environmentally friendly. A versatile addition to any man's wardrobe, this flannel shirt from Patagonia is sure to provide both warmth and style.