Suomy Motorcycle Helmets Question About Iridium Face Shields For Helmets?

Question about iridium face shields for helmets? - suomy motorcycle helmets

I bought a helmet Suomy Spec 1-R Moto, which would have an additional screen for him, and wondered if someone something iridium face shield, their characteristics and whether they are well known. Thank you, I will certainly choose a best answer. Thanks again for your time!