This vintage-inspired natural history t-shirt features a detailed ammonite fossil illustration in a classic spiral shell form, highlighting one of the most iconic marine creatures from the Jurassic and Cretaceous periods. The retro design uses an elegant golden fossil linework and lettering, creating a timeless paleontology aesthetic for fossil enthusiasts and science lovers. 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.