This Patagonia Men's Short Sleeve Button-Up Shirt in size M is made from 100% organic cotton with a stylish plaid pattern, perfect for casual or travel occasions. Featuring a collared neckline, button closure, and regular fit, this shirt offers comfort and style for the warmer seasons of summer, fall, and spring. The shirt also includes convenient pockets and is machine washable for easy care. Made by the renowned brand Patagonia, this shirt is a great addition to any man's wardrobe for a sustainable and fashionable look.