This new hi-tech helmet has been specifically designed for professional work and rescue applications. It is lightweight, compact, comfortable and well-ventilated with its 10 air intakes that that provide efficient cooling and ventilation. The air intakes on the outer shell are equipped with the protective aluminum anti-intrusion grille that prevents entry of debris into the helmet. The helmet’s outer shell is made of High Density ABS Plastic and designed to withstand significant impact from the above or side (meeting the requirement of CE EN 397 and CE EN 12492 standards). The helmet’s inner shell is made of High Density (HD) Polystyrene and has ducts that allow natural air flow and heat recycling. Four fastening points chinstrap is designed to decrease the risk of helmet loss in case of an impact during a fall (breaking strength of more than 50daN or 112.4 lb, CE EN 12492 Mountaineering Helmet Standard). Its safety release system allows quick fastening and opening of the locking mechanism and in compliance with the requirements of CE EN 397 (European Standard for Industrial Safety Helmets). Soft polyethylene side retractors regulate length of the straps. Provided with a special red-colored ring on one of the straps for fastening helmet to a harness. Provided with the external lamp carrying clips made from strong Nylon 6.6 that are compatible with all head lamps available on the market. Accessories include Visor (Clear, Smoke and Mirror), Winter Cap and Adapter for helmet-mount ear muffs. Ideal for tree climbing, forestry, framing & roofing, sawmills, logging, construction, rescue climbing and other similar work activities. Made in Italy. WARNING: Plasma Work does not meet requirements of the CE EN 397 and ANSI Z89.1-2009 standards regarding electrical insulation. Plasma Work is Type I Class C helmet based on ANSI Z89.1-2009 classification. (NOTE: A helmet of Type I is designed to provide crown (top) impact protection. It is not intended to provide protection from lateral (side) impacts. Class C stands for Conductive and this class is not intended to provide protection from electrical conductors, and are not tested for electrical resistance).