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This frame is available with photochromic lens technology and darken
and lighten automatically in response to changing light.
They help you adapt to changing light conditions so youll always
perform at your best,
The lens will allow 87% light through indoors, but only 47% light when
outdoors,also they filter out 100% of all UV, even when the lens color
lightens to help you see in dimmer environments where UV is still a
You get the added benefit of having lenses that arent too dark when the
sun pulls a disappearing act, or too light when it knifes through clouds.