Brooks Brothers Long Sleeve Button Up Sz.161/2-33 The product is a Brooks Brothers long sleeve button-up shirt in size 16.5-33, featuring a plaid pattern in blue with accents of buttons. Made of cotton, this shirt has a regular fit and point collar style, suitable for various occasions such as party, casual, formal, and business. The shirt is machine washable and belongs to the Brooks Brothers 346 product line, combining elements of y2k, classic, and preppy styles.