The Zeal Tramline Goggle will change the way you see the mountain. The polarized, photochromic lens automatically adjusts to changing light conditions so you can always see your line. From low light to high contrast light, this lens blocks 100% of UV rays and cuts 99% of glare off the snow. Add the anti fog treatment, and your view is unobstructed all day. And not to be outdone, the frame is impact resistant, built to withstand the harshest conditions. With its dual strap system and helmet compatible fit, this will be your go to goggle every time you head up the mountain.