IQUITY- A PREMIUM COATING THAT PERFORMS BEYOND EXPECTATION. Every once in a while, a revolutionary innovation comes along that really makes a difference in how you see things. Radians new 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. The Radians Optima IQ Safety Glass offers a lightweight frame with dual mold temples. Adjustable rubber nose piece provides a comfortable, customized no-slip fit. Polycarbonate lens is impact resistant.