The Cyrus sunglasses make a bold statement with ultra-thick sides and a commanding square frame. Built from lightweight Grilamid® with robust 5-barrel hinges, they're engineered for everyday durability and comfort. Featuring SPY+'s revolutionary Happy™ lens technology, scientifically designed to boost mood and alertness while enhancing color and contrast. The ARC® polycarbonate lenses follow your eye's natural curvature for crystal-clear, distortion-free vision with minimal eyestrain. This pair includes polarization that blocks over 99% of surface glare—layered and sealed within the lens to resist scratching, delaminating, and hazing. Complete 100% UV protection shields against eye fatigue and long-term sun damage. Frame dimensions: 58-17-145. Replacement lenses available.