Personalized Good Planets Long Sleeve T-Shirt. Earth Day Long Sleeve T-Shirt - Vintage Royal Blue to support our planet Earth Day gifts with planet earth graphic says Love The Earth Good Planets Are Hard To Find. For conservationists, green and earth lovers. 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