The Patagonia Men's Button Down Shirt in blue plaid, size medium, is made from 100% organic cotton. This lightweight and textured shirt features a collared neckline, short sleeves, and a regular fit. The shirt is suitable for various occasions including travel, parties, casual outings, formal events, workwear, and business meetings. With a chest size of 51 inches, this shirt is machine washable and has a pointed collar style. Perfect for the summer and spring seasons, this shirt from the Patagonia Organic Cotton product line offers a blend of designer style and outdoor comfort.