NO-FOG® is a registered trademark with the U.S. Patent Office
NO-FOG® Industrial Masks are engineered to eliminate fogging of eyeglasses, welding helmets, shields, etc. while working in cold climates. Made from mil-spec soft neoprene for all day comfort.
#7F (Large) fits neck size circumference 14″ to 18″ and #7FX (XL) fits 18″ to 20″ respectively.
Made in the USA.