Irish Green Tuxedo T-Shirt. This popular tuxedo t-shirt is now available in Kelly Irish green just in time for st.Patrick's day! Whether you are going for the leprechaun look or just something a little more novelty, formal this is the shirt for you! This shirt is perfect for st.patrick's day or every day! Wear this Tuxedo Shirt to the prom, your wedding, or any party where a tuxedo is required. Our short sleeve Tuxedo With White Flower t-shirts are made from a 100% fully machine washable preshrunk cotton for a cool and comfortable fit every time.