Crown: Pro-Model shape | M3 performance fabric front panels | Spandex trucker mesh back. Visor: U-Shape Visor technology | Contrast sandwich/undervisor wrap combo | Contrast stitching . Sweatband: 1 3/8" woven elastic comfort fit sweatband. Closure: Universal Fitted. Sizes: SM-MED (6 7/8-7 3/8). L-XL (7 3/8-8)