System provides users with the possibility of easily changing a variety of lenses to adapt glasses to actual weather conditions. GOGGLE sunglasses equipped with LENS CHANGE G-SYSTEM include at least one additional pair of lenses and a useful hard case.

Goggle glasses (both lenses and frames) are produced in compliance with American ANSI Z80.30, European EN ISO 12312-1:2013 and Australian AS 1067.1 standards. They guarantee 100% protection against harmful UVA and UVB radiation. Shaded lenses or mirror shaded coverings (darker up, brighter down) are centralised i.e. the left and right lens are of the same colour at the same height.

According to the EN ISO 12312-1:2013 norm, lenses are classified in 5 categories of filters depending on the degree of light transmission.

 „0” category    lets 80-100% of the light through and is designed to be used on cloudy days.

 „1” category    lets 43-80% of the light through and is designed to be used on days with little sunshine.

 „2” category    lets 18-43% of the light through and is designed to be used on quite sunny days.

 „3” category    lets 8-18% of the light through and is designed to be used on very sunny days.

 „4” category    lets 3-8% of the light through and is designed to be used where there is a lot of sunshine, mainly  on glaciers and in the mountains. Glasses with “4” category are not recommended while driving a car.

 

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