Spy Happy Lens Farrah sunglasses. Custom-built from high quality Propionate. 8-Base PC polarized lenses. Custom metal details. 100% UV protection. Frame measures: 62-15-125. Imported. Spy Happy Lens technology lets in long wave blue light that promotes balance in the body's circadian rhythms, blocks harmful bad rays, and combines crisp, color-contrast enhancing lenses for the ultimate viewing experience.