Katin Haulin Trucker Hat The Haulin Trucker Hat features a custom Katin patch, and is made from cotton canvas with a polyester mesh back, an unstructured mid-crown 5-panel build, a flat brim, and a snapback closure. 100% Cotton Canvas 100% Polyester Mesh Back Mid-Crown 5 Panel Trucker Hat Unstructured Crown w/ Stay Front Snapback Closure w/ Katin Flag Label Flat Brim • Katin Patch