The Brooks Brothers Regent White Button Down Shirt in men's size 15.5 is a classic and versatile piece suitable for various occasions including travel, casual wear, and business meetings. Made of 100% cotton knit fabric, this non-iron shirt features a collared neckline, button-front closure, and long sleeves. With a solid white color and a regular fit, this button-up shirt is practical for all seasons and reflects a preppy, timeless style associated with the Brooks Brothers brand.