AIRBRAKE™ PRIZM MX REPLACEMENT LENSES 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. We engineered them for our premium Airbrake™ MX 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.