Replacement PRIZM™ Lens for the Oakley Airbrake Goggle. Prizm™ MX lenses help you see subtle transitions in dirt conditions so you can master all those split-second decisions. Mother Nature has a ton of gears, and she'll shift on you without warning. Be ready for any light condition. These replacement lenses cover the full range. Oakley engineered them for the Airbrake Goggle and each one is made of durable Plutonite® with anti-fog technology. You'll have full-on UV protection, impact resistance and a level of clarity worthy of the world's most technically advanced performance goggle.