Replacement Goggle Lens 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 shell shift on you without warning. Be ready for any light condition. We engineered them for our premium Mayhem Pro MX Goggleand each one is made of durable Plutonite with anti-fog technology. Youll have full-on UV protection, impact resistance and a level of clarity worthy of the worlds most technically advanced performance goggle.