Lexan lenses offer unmatched impact & scratch resistance crystal clarity 100% UVA/B/C protection Silver Mirror VLT 25%: Special mirror coating provides maximum glare reduction with excellent visibility. Best suited for bright conditions. Red Mirror VLT 30%: Special mirror coating provides maximum glare reduction with excellent visibility. Best suited for bright conditions. Blue Mirror VLT 30%: Special mirror coating provides maximum glare reduction with excellent visibility. Best suited for bright conditions. Sensor Mirror VLT 70%: Performance based lens tint with a multi-layer mirror maximizes color definition, increases depth perception, & intensifies light in any condition. Excellent on snowy days or in flat light conditions.