Personalized Leprechaun In Training Long Sleeve T-Shirt. Cute St. Patrick's Day Long Sleeve T-Shirt - White with a green leprechaun's top hat and shamrocks says LEPRECHAUN IN TRAINING. Perfect for proud Irish lads and lasses on St. Paddy's St. Patty's Day. 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