style and function for every face size. the oakley target line combines a cylindrical jumbo lens with a low-profile, ultra sleek frame design for an incredible field of vision. the front line of the frame has been flattened to allow seamless integration with helmets. available in three sizes, this sutro-inspired design offers style and function for any face size. the target line s is designed for a youth-friendly fit.dark grey lensoakley high definition optics (hdo®) provides true, precise vision with optically correct geometry and clarity. the dark grey lens is suitable for bright light, sunny and cloudy conditions.transmittance of visible light: 10 %