Personalized Dinosaur Stegosaurus Cute Long Sleeve T-Shirt. Stegosaurus Dinosaur Long Sleeve T-Shirt - White has a big smile and lots of dino charm. Perfect for any dinosaur lover. 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