Columbia Columbia Mesh Snap Back Hat - Caps : Columbia Grey/Black/Outsider Patch : Rock a classic with the Columbia Mesh Snap Back Hat. Custom patch at front panel. Snapback closure at rear for a custom fit. Mesh backing for breathability. 100% polyester. Imported. Measurements: Circumference: 22 in Brim: 2 3 4 in Product measurements were taken using size One Size (6 1/2-7 1/2). Please note that measurements may vary by size.