Personalized Astronut Long Sleeve T-Shirt. Astro Nut text and an acorn critter attached to a space ship is a humorous play on the word astronaut. 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