With ultra-thick sides, a square frame, and a front that commands attention, there’s nothing quiet about Cyrus sunglasses. Available with our revolutionary Happy™ lens tech and polarization, the Cyrus is sure to create some joyful noise. Details 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 58-17-145 Technical Information Fit: Medium Large Weight: 43g Product Material: Grilamid (TR90) Lens Category: Cat.3 Technologies: Anti-Fog coating / Anti-Scratch Coating / Eco-Friendly Materials / Happy Lens / Magnetic Lens / Mono Shield / PC Lens / Snap Hinge Available With RX: No