Personalized Super Triceratops T-Shirt. Who doesn't love dinosaurs? Who doesn't love comic books? A cute little triceratops dinosaur wearing a superhero outfit is ready to save the day! Everyone loves our Custom T-Shirts! Wardrobe essential for looking good, 24/7. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar. Shoulder-to-shoulder taping. Double-needle stitched sleeves, bottom hem and front neck. Note: greys are a cotton/polyester blend.