CKX 210° Goggle Electric Lenses With Control Vent

• Designed for Backcountry
• Injection molded polycarbonate pre-curved lens
• Anti-scratch treatment
• Anti-fog treatment
• Top and bottom ventilation ports within the lens
• Double lens for winter
• UV protection

210° photochromic lens changes from clear tint to smoke tint when exposed to outdoor luminosity. Its ability to adapt to changing environments makes it perfect for any situation from dusk to dawn, even with neutral light.