About this item Not a Fabric Imported Thermoplastic Elastomers frame Polycarbonate lens Anti-Fog Coating coating 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. Not a Fabric Imported Thermoplastic Elastomer (TPE) frame Polycarbonate lens Polarized Coating coating 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. 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.