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. Details Happy™ Lens Technology: SPY+'s revolutionary therapeutic lens tech is scientifically tuned to boost mood and alertness while enhancing color and contrast, providing a truly life-changing visual experience ARC® Technology: Accurate Radius Curvature polycarbonate lenses are tapered to follow the natural curvature of the eye, providing crystal-clear distortion-free vision while reducing eyestrain Superior Polarization: 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 Premium Construction: Crafted from Grilamid®, a lightweight frame material ideal for everyday wear due to its strength and flexibility Durability: Robust 5-barrel hinges for added strength and longevity Eye Protection: 100% UV protection reduces eye fatigue and long-term sun damage Size: Frame measures 57-17-145 Technical Information Fit : Medium Large Weight: 36 g Lens Category: Cat. 3 Technologies: Anti-Scratch Coating / Five Barrel Hinges / Happy Lens