Protect your head from impact in hazardous environments with this hard hat from MSA.This yellow thermalgard front brim hard hat has a 4 pt. ratchet suspension.The shell is made of glass-reinforced nylon. Standards include: ANSI/ISEA Z89.1-2014 Class G, CSA Z94.1-2005 Class G. When workers need a helmet with elevated temperature capability, the Thermalgard Protective Cap provides protection in a high-strength, smooth crown helmet. The glass-reinforced nylon shell has a beaded edge for improved rigidity. Slots in the cap allow for mounting hearing protection muffs, welding shields, and faceshields.