Designed to offer outstanding protection in hot and dangerous industries, the Skullgard Protective Hat sets the standard for environments such as steel mills. This hat can withstand radiant heat loads up to 350?F while still maintaining its protection capabilities. Meets or exceeds the applicable requirements as outlined in ANSI Z89.1-2003, Class G. Withstands radiant heat loads up to, but not exceeding, 350?F. Smooth crown for easy use of MSA welding equipment. Skullgard Hat with Fas-Trac Suspension (Ratchet Suspension).