The Peter Millar Men's Long Sleeve Button-Up in size 15.5 features a classic red, white, and blue plaid pattern, making it suitable for various occasions such as travel, casual wear, and business settings. Made of woven cotton fabric, this button-up shirt has a collared neckline and a spread collar style. The regular fit and machine washable design ensure comfort and easy care. Perfect for year-round wear, this multicolor shirt adds a touch of style to any man's wardrobe with its timeless theme and quality craftsmanship from the Peter Millar brand.