The Yukinori Range Finder - Tortoise/D+ G15 is expertly crafted in Japan with an 8 base frame designed to fit snugly for optimal visual clarity and protection at high speeds. Featuring hand-sculpted lenses and precisely shaped 125mm temples, it’s tailored for running and cycling performance. The D+ G15 lenses provide 100% UVA and UVB protection while allowing 11.57% visible light transmission and reducing blue light to 7.21%, ensuring clear, comfortable vision during intense outdoor activities.