Transitions ® XTRActive ® lenses provide visual comfort and exceptional protection in all lighting conditions, including behind car glass. Flash to Mirror is also an original trendy look. Enjoy visual comfort and protect your eyes from the sun. Transitions® Xtractive® Flash to Mirror lenses are activated by changing their color when exposed to light, in the rooms the lenses have a soft, iridescent glow, the glass on the outside and back of the car is dark with a shiny mirror effect. Transitions Xtractive ® lenses are synonymous with original style and quality. They are recommended for people for whom a fashionable image is important and for those who are looking for dynamic lenses suitable for urban intensive life. 100% protection against UVA and UVB radiation.