Classic trucker-cap shape. 6-panel crown. Mesh sides and back. Unwaxed Tin Cloth front panels. Adjustable leather backstrap. 10.5-oz. 100% cotton dry finish Tin Cloth + polyester mesh. Stylist Notes. Filson\'s classic 6-panel cap keeps the sun out of your eyes while allowing plenty of airflow for comfort and breathability. The leather adjustment strap with brass buckle assure a secure custom fit. The precurved 3" bill and front panels are made from their iconic unwaxed Tin Cloth for a lifetime of service. Custom Filson logo patch.