The Edge Tactical Eyewear Fastlink safety glasses, named after the undercover investigation Operation Fastlink, are prepared to serve you in your own operations. The flexible blend of TR90 and nylon material in the frames allows them to be flexible yet durable, and the 3x Anti-Scratch lens coating keeps your lenses in top condition. Additionally, Vapor Shield technology on the Clear, Tiger's Eye and G-15 lenses provide the ultimate anti-fog technology, ensuring that your view is never obscured by fog and perform in all weather conditions. Every pair of Edge Tactical Eyewear glasses is subject to the toughest independent safety tests to ensure compliance with ANSI Z87.1+2010, Military Ballistic MCEPS GL-PD 10-12 and EN166 F CE standards.