The Oakley Radarlock Path with Iridium Lenses is an all out assault on the state of the art in sports sunglasses. Polarized Pure Plutonite lenses eliminate glare with the clarity of High Definition Optics. The Interchangeable lens frame design has an innovative hinge to make lens swapping fast and effortless. A light but durable O-mater frame with unobtanium earsocks and nose pads is very comfortable and holds on to the head tightly.Iridium lens treatment for tuned light transmission.Includes one interchangeable lens and a protective soft vault.