High Definition Optics (HDO) combines patented optics and Plutonite lens material that provides 100% UV filtering and unsurpassed impact protection. Durable O Matter frame material forms massive fangs around your head, combining with the lenses to beat ANSI Industrial Standards for impact protection. Patented XYZ Optics maximizes peripheral vision while retaining critical clarity at all angles of view. If you manage to get hold of this coveted design, the first thing youll notice is the low weight. Oakley's stress-resistant O Matter frame material makes it possible. Slide them on and youll feel a Three-Point Fit that touches only the sides of your head and the bridge of your nose, and does so with Unobtainium components that increase grip with perspiration.