Goggles with a patented lens change system and a large fit . The Dragon X1 goggle has a patented frameless design and outstanding features ensuring clear vision. The combination with optimised Dragon Lumalens® lenses sets a new standard for what a goggle can do.Lumalens® Red IonLumalens® technology offers optimised colour and glare protection through an ionised lens coating. The hard coating is scratch-resistant and repels dirt, dust, oil and water.Light transmission 23 %