SL 28-044 49 BLACK BLACK TRANSPARENTMade from black acetate. Made in Italy. Blue tinted lenses. Included in the series Blue & Beyond Indoors, the lenses guarantee a reduction of blue light for a total absorption from 34% to 45%. Outdoors, the reduction of visible light driven by the photochromatic technology increases and reaches at least 70%. Light filtering category 1 2 (scale 0 4). Light, photochromatic lenses. Nylon lens with 100% UV protection. Includes leather case and microfibre