Frequency Reactiv 1-3 Violet, lightweight sports glasses with photochromic lenses

The Frequency Reactiv 1-3 Violet from Julbo is a lightweight sports eyewear for trail running, cycling and outdoor activities. The photochromic lenses automatically adapt to changing light conditions, from overcast to sunny weather. The dark blue-violet frame with large, continuous lens in violet-blue tones provides good ventilation and comfortable fit even during intense movement.