Reto shape with the latest features. The Dragon DR D1 OTG has a thermo-formed cylindrical lens and vibrant Lumalens® lenses. The double-layer foam ensures high comfort, while the silicone strap provides the best hold.Lumalens® Dark SmokeThe Lumalens® technology offers optimized colours and glare protection through an ionized lens coating. The hard coating is scratch-resistant and repels dirt, dust, oil, and water.Light transmission 23 %Bonus Lens Lumalens® Light Rose The Light Rose lens provides perfect protection in poor visibility. Reduces glare, enhances contrast, and prevents early eye fatigue in heavily overcast conditions.Light transmission 66 %