Photo Chromatic lenses have a tint which automatically adjusts to changing light conditions. Activated by the amount of ultraviolet light in the atmosphere, the lenses darken in bright sunlight and lighten in overcast conditions.

· 2-in-1 Photo Chromatic - automatically adjust to any light conditions Features:

· ThermoCured™ AntiFog and AntiScratch hard coating. Exceeds EN166 standard.

· Cutting edge distortion-free optics

· QuickChange™ system

· Sunglass-inspired 3D lens shape

· Packaged in a clamshell