As big and bold as the era and music that inspired it, a little dissension goes a long way in this large-scale, '80s-inspired piece. Available with the HD Plus lens, the Discord is constructed from virtually indestructible Grilamid frame and features sturdy 5-barrel hinges, 6-base polycarbonate ARC lenses, and 100% UV protection. Combines the superior clarity of Spy Optics digitally mastered high definition lenses with the therapeutic and visual performance benefits of their patented Happy Lens. Available with Trident polarization that eliminates reflective light. Enhanced color and contrast, improved mood and alertness, and impact resistant distortion free optics in one kick-ass package that Spy loyalists have come to know and love. It's probably the best lens ever. Frame is constructed from virtually indestructible Grilamid has 6-base polycarbonate ARC lenses for optical performance and sturdy and smooth 5-barrel hinges. Sunglasses provide 100% UV protection to reduces eye fatigue and long-term sun damage. The Sunglasses have temple bars measuring 5.5" (140mm) with lens dimensions of (H x W) 1.65" x 2.24" (42mm x 57mm), with a bridge width of 0.67" (17mm) and come standard with a microfiber protective pouch with drawstring closure. Spy Optics patented lens technology preserves the natural therapeutic effects of sunlight and provides visual performance benefits. Increased contrast and clarity highlight changes in terrain while enhanced color rendering presents colors that are more pleasing to the human eye. Research suggests that prolonged wear can help to improve mood and alertness. The replaceable green spectra lenses have beveled edges, fuse force coating, clear guard, hydro-oled coating, ion coating all for superior clarity.