Celebrate one of prehistory's most heavily armored dinosaurs with this vintage, distressed-style Ankylosaurus design featuring its iconic bony armor and powerful tail club. Dating to the Late Cretaceous Period, Ankylosaurus was a slow-moving herbivore renowned for its formidable natural defenses, brought to life here in a bold rust red graphic on a crisp white shirt for a timeless natural history look. Made from 100% ring-spun cotton (high-quality cotton) with a soft, sensory-friendly feel. Every order funds kelp restoration on the Pacific Northwest coast.