Designed for professional work and rescue applications the Stein-Kask Super Plasma is lightweight, compact, comfortable and well-ventilated with its ten air intakes providing efficient cooling and ventilation. The Kask outer shell is made of Polypropylene and designed to withstand significant impact from the above or side (Approved to CE EN 12492 standards). The helmet’s inner shell is made of High Density (HD) Polystyrene and has ducts that allow natural airflow and heat recycling. The Kask Super Plasma is ideal for tree climbing, technical rope access, forestry, framing & roofing, sawmills, logging, construction, rescue climbing and other similar work activities. Needs Euroslot adaptors if you want to add ear protection.