F-300 Ratchet Headgear from Fibre-Metal® by Honeywell, 3" crown with padded perforated sweatband. Exceptionally lightweight and comfortable. Uses Channel-Grip mounting system for a quick and positive visor seal. Made from heat-resistant Noryl® material, and meets ANSI Z87.1 standards. Fits easily over today’s spectacles with space for air circulation to prevent fogging. Accommodates standard size 8" x11.5" windows. Shown with Clear Visor #4118 sold separately.
