About this item Designer Style: Exceptional designer eyewear that merges cutting-edge fashion and comfort with the highest level of safety standards. We believe making glasses that people like to wear keeps them safe, whether you're on the job or enjoying your free time. Vapor Shield Military Grade Anti-Fog: A permanent anti-fog lens that is impervious to fog, steam and vapor even in the toughest conditions. Vapor Shield Lenses can move between very hot and frigid temperatures with no fogging so vision remains clear. Flexible and Durable: Designed with cutting-edge materials to be flexible, durable and comfortable for extended daily wear. All Edge glasses undergo intense impact testing to ensure the highest level of performance even in treacherous conditions. Highest Safety Standards: Compliant with latest ANSI/ISEA Z87.1+2015 for eye head protection, and Z87+ for high impact level standards. Also compliant with MCEPS GL-PD 10-12 - a military ballistic standard for intense ballistic velocities during combat. Lens Technology: True UV Protection that blocks 99.9% of UVA/UVB/UVC rays - The highest level of protection on the market. Unique Tapered Lens Technology (TLT) eliminates refraction which reduces visual distortion and eye fatigue.