Oakley - Kato XOakley Kato X is engineered to push the boundaries of performance with a purpose built design that conforms to the contours of the face for a seamless look. With a modified silhouette and progressive, disruptive wrap design, the frameless architecture, innovative tilt function, and multiple nosepads create a customized fit. Paired with Prizm Lens Technology, Oakley Kato X empowers athletes with optimized coverage and a wider field of view.