The Swagger® UD1 glasses are designed to provide solution-based eyewear protection. Both our Swagger® UD1 and Swagger® UD2 series glasses provide ULTRA DEFENSE, meaning that each style offers MIL-PRF-31013 military ballistic impact standard level protection. This brand is distinguished with application based, stylish design elements and superior coatings for work and play. The Swagger® UD1 series is available with MAX3® scratch resistant coating which provides three times greater scratch resistance, MAX6® anti-fog coating which is proven to provide six times greater fog-resistance and dissipation, or Duramass® scratch resistant lens coating. The UD128BZ features polarized lenses which blocks reflected light, increasing visual clarity and reducing eye stain. These high quality safety glasses have a lifetime frame warranty and are engineered to provide the highest level of innovation for consumers that demand the very best. Choose the best polarized safety glasses, choose MCR Safety!