Purchase a pair of LST Vario Lenses for the Adidas Adivista sunglasses. Please choose your sunglass model size, Large (A164) or Small (A165). These photochromic lenses are especially for changing light conditions. When not activated, the tint is category 2 and when activated by bright sunlight it darkens to category 3.
Sunglass Lens Category: 2-3 Recommended use: Weak to strong Sunlight
Sunglass lenses are categorized from 0 to 4 with 4 being the darkest lens. (A category of no more than 3 is recomended for driving.)