3M™ Versaflo™ M Series Headtops feature lightweight, compact and well balanced faceshields and helmets that can offer integrated protection from a range of respiratory, head, eye and hearing hazards with offerings for neck and shoulder coverage. The M-407 Assembly includes a M-927 Premium Visor, M-444 Inner Collar, and M-447 Flame Resistant Outer Shroud. The M-927 visor is made of coated polycarbonate. The M-447 shroud is made of Nomex® flame resistant fibers. Hardhat complies to ANSI Z89.1-2003 Type 1 Class G.