The Open has an extremely quick and intuitive lens interchange system that allows you to swap lenses in just 6 seconds, to always have the perfect lens for any condition.The toric lens and the ‘’no-frame technology’’ bring the lens up to the end of the frame giving a great field of view both on the horizontal and on the vertical axis.The Open has all the high end features all Out Of’s goggles have:triple density foam, inner silicon grips with fading texture, second ‘‘Persimmon’’ lens specific for bad weather conditions.Included in the box.1 Extremely quick and easy lens interchange system:in just 6 seconds you can interchange lens to always have the best visibility.2 Second lens ‘‘Persimmon’’ specific for bad weather conditions included in the box.3 Zeiss lenses with Ri-pel hydrophobic and oleophobic treatment to have an incredible optical quality.4 All the premium features Out Of’s goggles offer:premium anti-fog, anti-scratch treatment, triple density foam with hypoallergenic fleece, inner silicon grips with fading texture, wide field of view, ‘’no-frame’’ design for an ‘‘all lens’’ look.