The Brooks Brothers 346 Slim Fit Shirt is a stylish men's button-up shirt in size 18, featuring a striped pattern in blue. It has a collared neckline with a spread collar style, long sleeves, and a button closure. Made from woven fabric, this shirt is designed with a slim fit and a preppy, classic look, suitable for both casual and party/cocktail occasions. The shirt is accentuated with button details and is part of the Brooks Brothers 346 product line, known for its colorful and non-iron features.