As big and bold as the era that inspired it, the Discord proves that a little dissension goes a long way in this large-scale, ’80s-inspired piece. From dark tinted sunglasses to colored spectra, Discord is available with our revolutionary Happy lens tech and polarization. It's also constructed from lightweight yet durable Grilamid and features robust 5-barrel hinges. 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 Frame measures 57-17-145 mm Spy Discord Sunglasses - Matte Black / Happy Boost Bronze Polar Mens Matte Black / Blue Chrome.