excellent optics with the best helmet compatibility. target line l pairs a jumbo cylindrical lens with a low-profile, ultra-sleek frame design for an incredible field of view. by flattening the top of the goggle, target line is designed to provide optimal integration with oakley helmets. discreet frame notches at temples provide compatibility with most prescription eyewear.prizmâ„¢ lens technologyprizmâ„¢ lenses adapt to weather conditions and provides optimal colour representation while maximising depth perception and greatly improving visibility. the lenses are injection molded under extreme pressure with impact-resistant plutonite® to create a precise contour with optically correct geometry and clarity.