Smithsonian's Natural History "Iron Clad" – KUNUFLEX Short Sleeve Shirt

The Department of Mineral Sciences at the Smithsonian National Museum of Natural History curates one of the largest geological collections in the world. This Banded Iron Formation (known as BIF) is a sedimentary rock composed of alternating layers of gray iron ore and red chert. What does that mean for your wardrobe? A rock-solid design billions of years in the making.

 

Officially licensed with Smithsonian