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making the Ice Age’s apex predator stand out against the clean white fabric
this shirt is a tongue-in-cheek homage to the Jurassic and Cretaceous Periods of the Mesozoic Era—when Earth's ecosystems were ruled by giant reptiles and evolutionary experimentation flourished
The nautilus represents one of the oldest surviving marine lineages
each shirt sold helps plant a tree
Introducing our Mountain Peak Line Art T-Shirt
Sigma Rex T-Shirt 68 Million Years Ago making the Ice Age’s apexThis vintage style design features a powerful Tyrannosaurus rex from the Late Cretaceous period, striking a rockstar pose with an electric guitar. The sepia toned illustration and bold SIGMA lettering give it a distressed, retro flair perfect for natural history enthusiasts with attitude. Made from 100% ring spun cotton (high quality cotton) with a soft, sensory friendly feel. Every shirt purchased plants a tree, and the material is eco friendly.
