The Filson Tin Bush Hat Tan is constructing from 15-oz. oil finish Tin Cloth, improving the durability. Incorporating an adjustable leather chin strap to secure the fit, so it’s custom for you. Protecting you from sun with the extra-wide brim, the grommets increase the ventilation and cotton sweatband improve the breathability for your comfort. The Filson Tin Bush Hat is water, wind and weather repellent.