Thanks to their easy change design, you can stock up on the right lens for the right situation, or replace them after taking one too many branches to the face. Anti Fog Dual vented Plutonite lenses with F3 coating, allowing the inner ballistic lens to absorb a minimum of 2 ml of moisture HDO Lens Technology HDO maximizes clarity and impact resistance, and gives you razor sharp clarity at all angles of view. HDO lenses provide 100% UV filtering and the best impact resistance in the business. Plutonite Lens Material Impact resistant, blocks 100% of UVA, UVB, UVC, and harmful blue light. Only Plutonite stands up to Oakley's performance standards. Prizm Snow [select colorways] Prizm is a revolution in lens optics built on decades of color science research. Prizm lenses provide unprecedented control of light transmission resulting in colors precisely tuned to maximize contrast and enhance visibility. Dual Vented Dual vents and F3 anti-fog coating keeps your vision crystal clear.