As big and bold as the era that inspired it, the Spy Optics Discord Stealth Camo Sunglasses prove that a little dissension goes a long way in this large-scale, '80s-inspired piece. Available with revolutionary Happy lens tech and polarization, the Discord is constructed from lightweight yet durable Grilamid and features robust 5-barrel hinges. Features: SPY+'s revolutionary therapeutic Happy lens tech is scientifically tuned to boost mood and alertness while enhancing color and contrast, providing a truly life-changing visual experience ARC (Accurate Radius Curvature) polycarbonate lenses are tapered to follow the natural curvature of the eye, providing crystal-clear distortion-free vision while reducing eyestrain Available with polarization, which blocks over 99% of surface glare and is layered and sealed within SPY's lenses to prevent scratching, delaminating, and hazing of your polarized filter Constructed from Grilamid, a lightweight frame material ideal for everyday wear due to its strength and flexibility Robust 5-barrel hinges for added durability 100% UV protection reduces eye fatigue and long-term sun damage Replacement lenses available Frame measures 57-17-145 | Spy Optics Discord Stealth Camo Sunglasses with Happy Grey Green Black Spectra Mirror Lenses | Polycarbonate | LAPoliceGear.com