KOO Alibi Photochromic Lenses

KOO Eyewear Alibi Photochromic Lenses Replacement Photochromic light-adapting lenses for the KOO Eyewear Alibi Sunglasses. From dull and overcast days to blue skies and sunshine, these photochromic lenses let you pick one lens type that adapts to a wide variety of lighting conditions. Lens Specifications: Photochromic Fuchsia Mirror Lens Filter Category - 1-3 VLT - 75-12% Conditions: Bright to overcast Photochromic Red Mirror Lens Filter Category - 0-3 VLT - 87-15% Conditions: Bright to overcast