Ride with confidence into the night with our Day2Nite Photochromic lenses. On a bright sunny day, the lenses are smoke to afford protection from the sun. On cloudy days, nighttime, and early morning the lenses are clear to allow maximum visibility while still offering protection from the wind, bugs and debris.
Photochromic lenses are optical lenses that darken when exposed to specific types of light of sufficient intensity, Most commonly ultraviolet (UV) radiation. In the absence of activating light the lenses return to their clear state.
Photochromic lenses may be made of glass, Poly carbonate, or another plastic
Photochromic are most commonly used in eyeglasses that automatically darken when exposed to bright light, but clear in low ambient light conditions. They darken significantly within 30 seconds of exposure to bright light, and take somewhat longer to clear.