MAGNETIC LENS CHANGING SYSTEM FOR ALL WEATHER CONDITIONS The Sinner Sin Valley is a high performance goggle with magnetic lens changing system. This allows you to change lenses in less than 5 seconds to adapt them to the weather conditions. The ingenious ventilation system and the anti-fog coating prevent fogging of the lens. The soft, 3-layer hypoallergenic foam on the inside provides an excellent fit and maximum comfort. Double Red Oil Lens This lens has a mirror coating and reflects bright sunrays. Perfect for sunny and slightly cloudy days.Transmittance of visible light: 8 – 18 % Bonus Lens This bonus lens is perfect for cloudy days with poor visibility.Filter category: S4 FeaturesMagnetic lens changing systemDouble lensAnti-fog coating100 % UV protectionAdjustable strapVentilated frame3-layer hypoallergenic foam
