The Kask Hi-Viz Super Plasma Helmet has been designed for both professional ground and work-at-height applications. It is lightweight, comfortable and features 10 air intakes that provide efficient cooling and ventilation. The aluminum grilled air vents on the outer shell prevent entry of debris into the helmet. The Kask Hi-Viz Super Plasma outer shell is made of High-Density ABS Plastic and designed to withstand significant impact from the top or side.