Lens C4-Grey [IR] Impact Resistant. Polycarbonate sport lenses exceed 21DFR 801.410 high impact regulation standards [IN] Injected Nylon. Precision injection-molded nylon sports frame. [SRP] Solar Radiation Protection. All lenses provide 100% UVA protection. Frame Gloss Black,Demi,BP Silver [SSH] Stainless Steel Hinges. [8B] Eight Base Curvature. Eight base optically engineered spherical lens wrap. |