Julbo Boomerang Spectron 3 Okulary przeciwsłoneczne Dzieci, czerwony/biały

Protection Index enligt Standard EN1938 

0 - For cloudy days the lens is colourless 

1 - Suitable for weak sunlight through an otherwise cloudy sky 

2 - Medium lenses for normal sunlight 

3 - Strong sunlight (alpine and marine), often dark lenses 

4 - High Alpine and marine environment. Very dark lenses, not suitable for driving!