high performance lenses for razor-sharp vision - oakley latch . it's not just the design of the oakley latchâ„¢ that is inspired by the skate scene. features such as the integrated clip mechanism to attach them to your t-shirt and the secure three-point fit make them ideal for extended skate sessions. the lightweight, yet virtually indestructible o matterâ„¢ frame material makes you almost forget you're wearing sunglasses. these sunglasses are rounded off with shatterproof, high-quality plutonite® lenses with prizmâ„¢ technology. prizmâ„¢prizmâ„¢ is a revolution in lens optics based on intensive research in colour science. prizm â„¢ lenses maximise contrast and increase the visibility of objects.