CATEGORY 0 100-80% LIGHT TRANSMISSION.
For extremely low light conditions.
CATEGORY 1 80-43% LIGHT TRANSMISSION.
Transparent or slightly tinted for low light conditions.
LENS: CLEAR and CITRUS
CATEGORY 2 43-18% LIGHT TRANSMISSION.
Lightly tinted for medium to bright light conditions.
LENS: ORANGE and HDL
CATEGORY 3 18-8% LIGHT TRANSMISSION.
Heavily tinted for bright to extremely bright light conditions.
LENS: VE5, B11, S11, G15F, BLUE MIRROR and RED MIRROR
CATEGORY 4 3-8% LIGHT TRANSMISSION.
Very heavily tinted for exceptionally bright light conditions. Not recommended for driving.