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Haven HAVEN TINY Cycling sunglasses - black

Name: HAVEN Cycling sunglasses - HAVEN TINY - black
Brand: HAVEN
SKU: H.3721
Price: 52.92 GBP
Availability: InStock

£52.92

Colour: black

Returns within 60 days

Within 14 days: We will refund the money to your account.
From day 15 to 60: Refund is issued in the form of a gift voucher for your next purchase.

60 days return policy

Friendly customer service

- smaller model with mirror-effect lenses, UV filter 400, suitable for smaller faces ... teenagers, women, children
- the glasses are equipped with an adjustable nose pad, which you can adjust freely according to your nose
- photochromatic lenses with filter darkening 1-3

Function: Photochromatic lenses, also called self-tinting, are designed to react to ultraviolet light. The lenses darken in bright light conditions, i.e., with ultraviolet radiation. Without UV light activation, the lenses remain in an almost clear state. They change their color depending on how bright the light is. Photochromatic glasses therefore darken only very slightly in certain situations, e.g., when a room is brightened by sunlight. The change in tinting occurs within tens of seconds ... if you drive from strong sun into a forest, it does not mean that the glasses will lighten in a second and vice versa ... it is a process that takes tens of seconds.

In conjunction with 100% UV protection, self-tinting lenses ensure the comfort and health of your eyes all year round.

Principle: Photochromatic glasses work with molecules. Silver halide and silver chloride molecules are responsible for the lenses changing color so that they can darken in bright light conditions and lighten in dark environments or environments without bright sunlight. When sunglasses are exposed to UV radiation, billions of photochromic molecules temporarily begin to change structure. As soon as the shape of a huge number of molecules changes simultaneously, the lens surface darkens. The result is glasses that darken in bright sun and lighten back in dark environments, all without any intervention other than bright sunlight.