This Flat Bill Tetra Geo Pattern Fitted Hat features a vibrant sacred geometry design, printed using sublimation graphics. It is made of a silky smooth polyester material inside and out. A small hidden pouch can be found inside this hat, and it is also made with blacklight reactive material. This hat has a small signature Humboldt Treelogo design embroidered on the front. With eight different fitted sizes to choose from, there is sure to be a perfect fit for you.