Personalized Earth Day Trees Long Sleeve T-Shirt. Earth day text resembling dirt and trees sprouting from the word earth is a unique design for birthdays, holidays and Earth 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