The Peter Millar men's shirt in size L features a classic blue plaid pattern made from 100% cotton flannel, making it perfect for casual occasions and travel. With a button front closure, collared neckline, and long sleeves, this shirt offers a comfortable regular fit and is machine washable for easy care. The shirt also includes accents like a pocket detail and is suitable for all seasons, making it a versatile addition to any man's wardrobe with a preppy theme.