Description Our hard hat insert is designed with a PE inner shell that provides exceptional protection against impacts, ensuring your head remains safe from potential injuries. The breathable material of the insert keeps your head cool and dry, making it great for extended use. This versatile insert can be used with various types of hats, including baseball caps and work hats, offering a universal fit. Features - Color: Grey -Material:PE - Size: 19.00X18.30X8.20cm/7.47X7.19X3.22in -Good Protection: The shell is designed to absorb and deflect impacts, providing superior head protection in various environments -Breathable Design: This insert ensures optimal airflow, keeping your head cool and comfortable during extended use -Versatility: This cap insert can be used with multiple hat styles, making it ideal for both casual and professional settings -Multi-use: Compliant with industry safety standards, this insert ensures dependable protection for users in demanding conditions -Simple Replacing: Engineered for easy removal and replacement, this insert helps maintain hygiene and cleanliness with minimal effortPackage list: 1 x hard cap liner