Personalized Future Naturalist Childs Animal Nature Job Long Sleeve T-Shirt. Future Naturalist Long Sleeve T-Shirt - White for children who love nature and animals has silhouette design with bear, deer and squirrel. 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