Introducing the Oakley Sphaera OO9403 940324 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, every detail is visible. The lightweight O Matter™ frame is made to be worn over hats and helmets, featuring a front air intake for better airflow. Unobtainium® nose pads and sculpted ear stems provide a secure, non-slip fit even when sweating.