Bloc Zodiac FF20 Matt Tortoiseshell with Category 3 Brown Lenses Bloc Zodiac FF20 Matt Tortoiseshell with Category 3 Brown Lenses
Bloc Zodiac FF20 Matt Black with Category 3 Smoke Lenses Bloc Zodiac FF20 Matt Black with Category 3 Smoke Lenses

Bloc Zodiac

£40.00

For a vintage look this summer, the Zodiac is the perfect retro style choice. Soft curves and metal pin details give this frame a great look. Category 3.

Stock Codes and Packed Weights

Bloc Zodiac

Matt Tortoiseshell/Brown Lenses
£40.00
Back Order
Matt Black/Smoke Lenses
£40.00
1 In Stock

For a vintage look this summer, the Zodiac is the perfect retro style choice. Soft curves and metal pin details give this frame a great look.

Choice of matt black frames, with Category 3 grey graduated lenses or matt tortoiseshell frames with Category 3 brown graduated lenses.

Category        Usage
0 Not really a category - transmits 100% of visible light. Protection against grit and ice only. 
1 43% - 80% visible light transmited. Suitable for use in cloudy conditions with virtually no direct sunlight eg blizzards and whiteouts 
2 18% - 43% visible light transmitted. Suitable for use as general sunglasses and in cloudy conditions in the mountains, but not in direct sunlight in mountain areas where there will be a lot of reflection off snow and ice.
3 8% - 18% visible light transmitted. Suitable for Alpine and Himalayan mountaineering for most uses, but for prolonged exposure at high altitude Category 4 is recommended.
4 3% - 8% visible light transmitted. For prolonged exposure at high altitude and especially if you have weak eyes. Will be found too dark for everyday use and should not be used for driving a car.

*Categories 3 and 4 are the only categories suitable for Alpine and Greater Ranges mountaineering - however, just because the lenses are suitable does not mean that the design of the glasses is.

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