Which Transition Lenses are the Best? - Rx-SafetyExplore further
2020-3-6u2002·u2002XTRActive™ The XTRActive is becoming a popular option for photochromic glasses wearers. Unlike the Signature, it is best used for outdoor activities and sports, because the XTRActive is the darkest lens Transition™ has to offer.As other Transition™ lenses tend to darken in cold weather, the XTRActive does the opposite and becomes the darkest in high temperatures.
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