Empowering Athletes Oakley’s Kato sunglasses have been engineered to extend boundaries and push the envelope of performance. The modified silhouette conforms to your face for a seamless look, with the lens extending across the nose for increase coverage and aerodynamic performance. The fit can be customised to your face thanks to the frameless architecture, innovative tilt function and multiple nose pads. By fitting the lens closer to your face Oakley have improved the field of view, frame retention and impact protection offered by the Kato sunglasses. PRIZM Lenses Prizm is a revolution in lens optics built on decades of colour science research. Prizm lenses provide unprecedented control of light transmission resulting in colours precisely tuned to maximize contrast and enhance visibility.