Lexan lenses offer unmatched impact & scratch resistance crystal clarity 100% UVA/B/C protection Clear VLT 90%: Maximum light allowance for all weather conditions. Smoked VLT 55%: Neutral tint to reduce glare in bright & variable light conditions. Gold VLT 55%: An outstanding multi-purpose lens tint that filters reflected blue light to provide superior contrast, shadow definition & depth perception in bright, overcast & flat light conditions. Sol-X VLT 15%: Specially designed tint for very sunny or bright conditions. Blue VLT 55%: Neutral tint to reduce glare in variable light conditions. Yellow VLT 68%: A vibrant lens tint that britens terrain while increasing contrast & definition in extremely flat & low light conditions.