Personalized Irish Pride Flag Long Sleeve T-Shirt. Irish Flag Long Sleeve T-Shirt - White has colors of Ireland with Irish quote, to show your pride in your heritage on St Patricks Day or year round. Pre-shrunk 100% cotton 6.1 ounce long sleeve t-shirt. Double-needle stitched neckline and sleeves. Quarter turned. Shoulder-to-shoulder taping. Adult: S, M, L, XL, 2XL, 3XL