Transitions® XTRActive ™ lenses offer the best protection, even in a car.
They are suitable for anyone who spends most of their time outdoors and likes lightly colored lenses. They provide protection from the brightest sun and strong artificial light.
All photochromatic lenses darken better at lower temperatures and dimming percentages are reported at 23° C.
Darkening is also affected by the strength of the sun’s rays, e.g. clouds, morning and evening sun, partial shade …