Ergodyne Skullerz 8945 Universal Safety Bump Cap Insert, Lightweight, Fits Into Any Baseball Hat Universal Bump Cap Insert auspowers_batchsix Wide Use:AutoMotorcycleShock AbsorbersEnginesGearboxBearingAxlesSpecificationMaterial: Nitrile Rubber

Wide Use:AutoMotorcycleShock AbsorbersEnginesGearboxBearingAxlesSpecificationMaterial: Nitrile Rubber and Steel SpringHardness: 70ANOTE: Please confirm the required size and material before purchase

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Ergodyne Skullerz 8945 Universal Safety Bump Cap Insert, Lightweight, Fits Into Any Baseball Hat Universal Bump Cap Insert auspowers_batchsix Wide Use:AutoMotorcycleShock AbsorbersEnginesGearboxBearingAxlesSpecificationMaterial: Nitrile RubberErgodyne Skullerz 8945 Universal Safety Bump Cap Insert, Lightweight, Fits Into Any Baseball Hat Product Features LIGHTWEIGHT HEAD PROTECTION Guards against bumps, scrapes, bruises and other minor head injuries POLYETHYLENE SHELL Durable material resists breaking and cracking FITS ANY HAT Patented trim to fit design easily adjusts insert height to fit different cap designs BREATHABLE Strategically placed vents for continuous airflow FLEXIBLE