U.S. Polo Assn Button Down shirt Men's Size 2X Plaid Flannel Long Sleeve #21 The U.S. Polo Assn Button Down shirt in men's size 2X features a classic plaid flannel design in a stylish blue color. With long sleeves and a regular fit, this casual button-down shirt is perfect for everyday wear and can be easily dressed up or down. Made by a reputable brand, this shirt offers both quality and style, making it a versatile addition to any man's wardrobe.