Topgard hard hat with full brim for higher temperature exposures. 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 at radiant heat loads producing temperatures up to, but not exceeding, 275 deg F. Designed for use by utilities and other industries where dielectric-protected head protection is necessary. Constructed of lightweight yet durable polycarbonate.