3 LENSES, 3 LIGHT TRANSMISSION RATINGS:
- RED REVO - CAT 3 VLT 18%
- ORANGE - CAT 2 VLT 40%
- CLEAR RED CAT1: VLT 72%

VLT (Visible Light Transmission) is the light transmission rating, meaning the amount of light that the lens allows to pass through. The lower the number, the darker and more filtering the lens. The higher the number, the brighter the lens will be.