Personalized Plant Tree Long Sleeve T-Shirt. Plant a tree text with trees is a fun gift design for gardeners, arborists, and environmentalists at birthdays, holidays and Earth Day and Arbor 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