Smith 4D Mag ChromaPop Replacement Lens.

• ChromaPop Everyday - Most Conditions, Suited for a range of conitions, enhances every undulation of snow 
• ChromaPop Sun - Bright, Sunny Conditions, Perfect for cloudless, blazing light conditions, the layered green mirror over a gray base eases the harsh glare of high elevation sun while helping your eyes see more information in terrain ahead 
• ChromaPop Storm - Low Light Conditions, Tuned to bring the most out of an environment when the storm moves in and the lights go out. Optimize your contrast