St. Patrick's Day Button Down Shirt. Men's XL. New This is a St. Patrick's Day Hawaiian shirt in size XL from the brand Weekend Soul. It features a collared neckline with a button-down style and short sleeves. The shirt is designed in a festive green color with a lightweight and regular fit, making it comfortable for casual wear. Perfect for celebrating St. Patrick's Day with a touch of Hawaiian flair, this shirt is ideal for men looking to add a fun and vibrant piece to their wardrobe. New without tags. Thanks for looking.