Younger Optics, the world leader in Polarized Lenses, introduces the Trivex Nu Polar Lens. Combining Younger Polarization, the strength, and Optics of Trivex, Younger makes Sunwear even better. Drill mount sunwear, now has a great partner to not only look great, but can hold up better then with some of the previous lenses available. So check with your lab on availablity, and as always trust Younger to bring the finest in Polarized lenses.