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QUECHUA

Adult Photochromic Category 2 to 4 Sunglasses

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Sale price: 26.000 BD

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Our optical engineers have developed these sunglasses especially for hiking. Ideal for regular mountain use thanks to their lightness and support.

Anti-UV lenses block 100% of harmful rays and category 4 protects you from glare. The technology of polarising lenses means you can better distinguish the contours and contrasts.

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Sale price: 26.000 BD

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Product Features

A photo of the Adults Hiking Sunglasses - MH570 - photochromic CAT2 => CAT4 in use

Coverage

Wraparound shape: protects your eyes from wind, spray and inclement weather.

Sun protection

Photo lens cat. 2 to 4 - 100% UV - ideal for variable brightness.

Lightweight

Just 28 g.

Field of vision

Large lenses for superior peripheral vision.

Stability

Temple tips in flexible material: good retention on the face.

Robustness

Polycarbonate glasses made from high resistance plastic. 2-year guarantee.

Praline Flavour

Compatible with the MH ACC 100 L (4145874) and 500 L (4174684) retainer straps.

Additional Product informations

Composition

Lens

  • 100% Polycarbonate

Frame

  • 40% Styrene Ethylene Butadiene Styrene
  • 60% Polyamide

Anti-uv

An anti-UV material, but what is it for?To protect your eyes from an invisible danger... UV rays.UV radiation is always present, in winter or summer, in sunny or even cloudy weather, and it can be harmful to your eyes and their contours.To preserve your vision, the lenses of our sunglasses are made of polycarbonate mixed with an "anti UV" material which protects you from the harmful rays of the sun (UVA and UVB).

Photochromic technology

The colour of the so-called "photochromic" lenses varies according to the amount of UV rays.The activation time to change from the light tint to the dark tint (categories 2 to 4) is about 1 minute. The deactivation time to change from the dark tint to the light tint is about 3 minutes at room temperature (23°C).The lenses adapt directly to the amount of UV light emitted outdoors to provide better protection for the wearer according to the weather conditions.

Glare

Classification of tinted lenses according to the ISO 12312-1 standard:- Category 1: lens with a light tint for reduced sunlight.- Category 2: lens with a medium tint for average sunlight.- Category 3: dark lens for strong sunlight (sea and mountains). Between 82% and 92% of visible light absorbed- Category 4: very dark lens, for exceptionally strong sunlight (high mountains). Between 92% and 97% of visible light absorbed

Good to know

Our lenses are made of polycarbonate, a material that is highly resistant to impacts but whose major weakness is that they are vulnerable to scratching.Bear in mind that even if your lenses are scratched, the UV protection does not decrease; the mirror effect is purely for aesthetic purposes.The same goes for the colour of our tinted lenses.Whether they are grey, brown or coloured… you can choose your glasses according to your taste and you will still be protected, whatever the colour.

frames created using a bio-based polymer

For the frame of these sunglasses, we use Rilsan Clear G850 Rnew, a polymer made from castor oil.This bio-based material is a real asset in our development process and is tailored to making lightweight and flexible frames.

Glasses frames with reduced environmental impact

To reduce the environmental impact of our glasses, we can take action on material.We reduce the use of varnish and paint on these sunglasses frames, everything is directly integrated in the product mould.This is still not enough and that's why we are working to make these sunglasses 100% eco-designed one day.

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