classic style, uncompromising performance. the dragon dxt otg comes with a smaller fit but can still be worn over your prescription glasses without any problems. it gives you a wider peripheral field of vision for the best view.combined with premium features like lumalens® lenses and a super anti-fog coating, the dxt otg offers maximum comfort and a clear view, no matter what conditions you're on the mountain.lumalens® rosedragon's exclusive lumalens® technology is designed to enhance and optimise vision in all environments. it offers superior colour brilliance, increases contrast, improves depth perception and reduces eye fatigue for better performance.transmittance of visible light: 36 %filter category: 3