
Patented Caesar-Flip™ Lens technology offers a convenient 2-in-1 eyewear solution combining opticals and sunglasses together, tested 5000 times for its durability. Meticulously handcrafted by expert Japanese artisans, requiring 200 steps to make every pair. Optical lens frame with add-on sunglasses lens included. Luxury-grade polarized lens gives a high definition view, made for outdoor sports and driving.