composite frame Polycarbonate lens Non-Polarized UV Protection Coating coating Lens width: 58.51 millimeters PERFECT FIT | Precision-cut, guaranteed to fit, and compatible with your Spy Optic Cyrus sunglasses. 60 day satisfaction guarantee and 1 year manufacturer warranty BEST MATERIALS | Made from injection-molded polycarbonate. More durable and lightweight than glass lenses. Meets ANSI Z80.3 impact resistance standards Revant Replacement Lenses for Spy Optic Cyrus - BQ5EHZTKN