It's good to be the king, but the glare is strong when you're at the top. Keep it made in the shade with the Spy Optic™ Czar sunglasses. Highly durable Grilamid® sunglasses feature a square lens and keyhole front that sits between classic and aviator. Spy Optic Happy Lens™ Technology is the only lens technology designed to maximize the transmission of "Happy Rays" that come from long-wave blue light so you can "See Better" and "Feel Better." Patent-pending, these revolutionary lenses literally make you happier when you wear them. Happiness from all the good, protection from all the bad. Click here to see how Happy Lens™ Technology works Six-base polycarbonate Arc™ (Accurate Radius Curvature) Lenses are injected in a unique tapered shape providing optically correct, distortion-free viewing at all angles, which prevents discomfort and eyestrain. Polarized lenses block the sun's glare and prevent harmful rays for clarity and precision. Five-barrel hinges provide smooth operation. 100% UV protection. Spy Optic logo hit at temples. Storage bag included. Imported. Measurements: Eye Size: 59 mm Bridge: 18 mm Temple Size: 148 mm Weight: 1 oz