Fibre-Metal Noryl F-400 Dual Crown Ratchet Headgear features a clear propionate faceshield and provides protection to full face and neck. Headgear combines a 4" deep crown protector with a 4" deep clear chin protector and a 0.06" thick clear propionate window is placed between. It is mounted to a free floating headgear with the help of Speedymounting loop system and the ratchet can be adjusted for a comfortable fit. Headgear offers an extended wraparound protection when tough working conditions require it and offer more heat resistance than ordinary faceshields. The headgear meets ANSI Z87+ standards.