The MAINLINE ANSI RX by Spy Optic is a heavy-duty sunglass engineered for those who require maximum protection without compromising on visual quality. These Spy sunglasses are crafted from eco-friendly Grilamid, providing a lightweight yet incredibly strong frame that meets rigorous safety standards. Designed with an extra-large fit and advanced anti-fog technology, the MAINLINE is built to perform in demanding environments where safety and clarity are non-negotiable. Details ANSI RX Z87-2+ Certified: Rated as a prescription-ready safety frame from Spy Optic, ensuring high-impact protection for work or play. Happy Lens Technology: Advanced optics enhance color and contrast while boosting mood and alertness during extended wear. Enhanced Lens Performance: Features 100% UV protection with specialized anti-fog and anti-scratch coatings for clear vision in all conditions. Technical Specifications: Offers an extra-large fit with a robust 51g weight and secure snap hinges for increased durability. Fabric Content: Eco-Friendly Grilamid (TR90) Frame with Polycarbonate Lenses. Technical Information Fit: Extra Large Weight: 51g Product Material: Grilamid (TR90) Lens Category: Cat Technologies: ANSI RX Z87-2+ Prescription Frame Rated / Anti-Fog coating / Anti-Scratch Coating / Eco-Friendly Materials / Happy Boost / PC Lens / Snap Hinge Available With RX: No