Clear spare lens, fits Fusion/Matrix sports glasses. Filter category 0 - for dark weather conditions.

Nordic Light spare lens, fits Fusion and Matrix sports glasses. Color: Orange w blue multi. Filter category 1.
Light transmission: 49-51%
Category: 1
Mirror: Blue multicoating
Hydrophobic, Oleophobic, and Anti-Fog

Nordic Light spare lens, fits Fusion and Matrix sports glasses. Color: Violet w blue multi. Filter category 2.
Light transmission: 25-28%
Category: 2
Mirror: Blue multicoating
Hydrophobic, Oleophobic, and Anti-Fog