This Patagonia shirt for men in size medium is a stylish and versatile option for outdoor activities. Made with organic cotton, it features a comfortable regular fit with a collared neckline and short sleeves. The shirt is in a red plaid pattern with accent buttons, perfect for a casual outing or hiking trail. With machine washable care instructions, this colorful and easy-care shirt is a great addition to any man's wardrobe for the spring, summer, and fall seasons.