Rugged Anti-Scratch (RAS) Coating

3M's Rugged Anti-Scratch (RAS) super-hard coat leverages more than 30 years of coating chemistry expertise to offer long-lasting lens protection that's clearly different. Specifically engineered by 3M, RAS is an advanced anti-scratch lens coating designed to enhance eyewear performance in rugged, abrasive environments. RAS-coated lens are designed to help stand up to the rigors of a wide range of applications.