* Material: ABS with high-quality ultraviolet stabilization.* Inside protection: High density polystyrene, protective padding.* Chinstrap:4 points textile anchor.* Adjustable head band with a toothed wheel.* Aeration holes* Headband 54cm to 61cm * Can be used for work at heightEN 12492:2012Complies with the requirements for impact protection and puncture resistanceEN 397:2012:2012