MSA475407-'Bridgemans' hat style hardhat,full brim with Fas-Trac liner. Standard medium size.Heavy-duty caps and hats, for use in heavy industries, steel mills, andelevated temperatures.Features heavy-duty construction for use in steel mills and other heavy industries where elevated temperatures are common.Meets or exceeds the applicable requirements for a Type I helmet (top impact) as outlined in ANSI Z89.1-2003, Class G (electrical, low voltage). ALSO KNOWN AS THE "BRIDGEMAN"