Bloc Cruise 2

£35.00

The Cruise 2 has been designed with a low profile frame, and flush fitting lens. The brown tortoise shell soft finish frame is lightweight and easy to wear for sport or lifestyle. Category 3.

Bloc Cruise 2

Shiny Tortoiseshell/Brown Lenses
£35.00
1 In Stock
Crystal Grey/Blue Mirror Lenses
£35.00
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The Cruise 2 has been designed with a low profile frame, and flush fitting lens. The brown tortoise shell soft finish frame is lightweight and easy to wear for sport or lifestyle. Brown Graduated Category 3 Optical Class 1 lens for crystal clear vision.

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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