The medium-sized profile shape for the Radar Frame, the Oakley Pitch Path Replacement Lens option gives you optimal clear sport vision. One thing that is for certain, light changes. With a host of alternatives, you can switch out in a flash your standard Oakley Radar Path Replacement Lens for a clear or yellow in challenged light, or insert a mirrored IRIDIUM in black or ruby for high intensity conditions. Whatever the circumstance, the lighter or darker Plutonite replacement lens blocks 100% UVA, UVB and UVC rays, and meets the ANSI Z87.1 standards for high mass and high velocity impact resistance. HIGH DEFINITION OPTICS (HDO) maximizes clarity with a geometry that maintains razor-sharp vision. A permanent HYDROPHOBIC lens coating creates a smudge-resistant barrier that repels water, skin oils and dust to maintain clarity.