Vented - Dual-pane, pre-curved polycarbonate lens engineered for flawless vision. Pre-curved, anti-fog coated polycarbonate lens for flawless vision. The dual-pane construction and anti-fog treatment work together to minimize condensation while vents promote consistent airflow, delivering reliable fog resistance in varied conditions. Lightweight and impact-resistant, this replacement lens offers excellent optical clarity, reduced distortion, and long-lasting durability for high-performance use.