KOO Spectro Photochromic Lenses

KOO Eyewear Spectro Photochromic Lenses Replacement Photochromic light-adapting lenses for the KOO Eyewear Spectro 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 Pink Lens Filter category – 1 to 3 VLT – 12;5 to 69% Photochromic Turquoise Lens Filter category – 0 to 3 VLT – 15 to 87%