Bloc Bail

From £30.00

The Bloc Bail has a classic wrap around style and are suitable for everyday wear thanks to their durable, lightweight design and category 3 listing meaning they are fine to drive in as well as being suitable for skiing and other alpine pursuits.

Bloc Bail

Shiny Black/Polarised Grey XP460
£35.00
2 In Stock
Shiny Black/Red Mirror XR460
£30.00
2 In Stock

The Bloc Bail has a classic wrap around style and are suitable for everyday wear thanks to their durable, lightweight design and category 3 listing meaning they are fine to drive in as well as being suitable for skiing and other alpine pursuits.

The distortion free, impact resistant XTR Karbon8 optical class one lenses provide maximum protection against UVA, UVB and other harmful blue light up to 400nm.  

  • Category 3 lenses.
  • Shiny black frames with wrap round design.
  • Moulded nose piece.
  • Sports hinges.
  • Lightweight BX1000 core injected temple tips.
  • Metal branding.

Available either with silver mirror polarised lenses or with red mirror lenses.

Tested to BS EN ISO 12312-1:201.

Suitable for medium to large faces.

Category        Usage
0 Not really a category - transmits 100% of visible light. Protection against grit and ice only. 
1 43% - 80% visible light transmitted. 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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