These protective hats are specially designed for use in elevated temperature environments and wherever dielectric protection is needed. Retains limited resistance to top impact or penetration over a wide range of temperatures. Topgard helmets have been to radiant heat loads producing temperatures up to, but not exceeding, 275F. Built for use by utilities and other industries where head protection with dielectric protection is necessary Constructed of lightweight yet durable polycarbonate Available in a variety of colors