The Klondike Magnifier from MCR Safety features modern style combined with excellent fit - comfort - and adjustibility - also providing 99.9% UV protection - meeting ANSIZ87.1 + high impact standard with a range of magnifier options. Features: Strong - lightweight polycarbonate lens with 11 degree base curve.Bi-focal magnifier lenses.5 position ratchet spatula temples.Filters 99.9% of U.V. radiation. Lens Color: Amber - Best for enhancing contrast and light in low light applications; not recommended for night driving or bright light environments. Compliance: Meets ANSI Z87.1 standards.