The Columbia PFG Mesh Ball Cap is part of the Professional Fishing Gear collection and is designed to keep you cool and comfortable all day long. Fishing cap also features a breathable mesh back and embroidery on the front panel. A curved brim and adjustable back closure provide lasting comfort. 98% cotton, 2% polyurethane: Lining: 100% polyester. Imported. Measurements: Circumference: 22 in Brim: 2 3 5 in Product measurements were taken using size One Size (6 1/2-7 1/2). Please note that measurements may vary by size.