Introducing the Oakley Sphaera OO9403 940302 Polarized Sunglasses. The Sphaera is designed to deliver top performance in any sport. Its wide field of view ensures clear vision, and with Prizm™ Lens Technology, you can see every detail. The lightweight O Matter™ frame is made to be worn over hats and helmets and features a front air intake for better airflow. Unobtainium® nose pads and sculpted ear stems provide a non-slip fit even when sweating.