the x2s goggle is the incarnation of form and function. this medium-sized goggle is extremely high quality and features the dragon swiftlock system, which makes changing lenses a breeze. the colour-optimised lumalens® technology ensures optimal colour recognition and clarity. 100 % uv protection, a robust anti-fog treatment and a bonus lens are just the icing on the cake. lumalens® red ionlumalens® technology provides 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 6 %