The 3M SecureFit X5000 series is a safe, comfortable industrial helmet designed for working at heights; 3M's unique 4-point chinstrap system allows the user to switch the strap attachment between EN 12492 (climbing helmets) and EN 397 (industrial safety helmets); 6-point position adjustment allows the wearer to adjust height and fit with multiple levels of vertical adjustment; meets the requirements for lateral deformation; The 3M Uvicator indicates the level of destruction of the helmet shell from UV radiation; UV stabilized ABS material; helmet is compatible with a range of protective shields, hearing protectors and other 3M accessories