OQX1720 Features: * Dual 9-base ""wrap-around"" lens provides uncompromised peripheral vision and protection * Soft elastomer brow guard diffuses and deflects impact * Soft flexible fingers adjust and conform to any nasal profile and minimize slippage * Lens Tint: Clear * Diopter Strength: 1.5 * Lens Coating/Shade: Ultra-dura * Lens Material: Polycarbonate * Style: Ratcheting/Adjustable Temples * : 2.700 in Color/Finish: * Frame Color: Black