Radians IQuity™ Anti-Fog Coating is a breakthrough technology that provides one of the most superior and long-lasting anti-fog coatings in the marketplace at a competitive price. It is both EN166K and N compliant. The water-based coating lasts much longer because the anti-fog and anti-scratch properties are built into the lens for long-term wear and durability. With the latest patented technologies, materials, and processes, THRAXUS™ Radians is the next generation of highly protective, ultra-comfortable and super stylish safety eyewear.