What is a photochromic lens?
Lens transmittance (amount of light entering the eye) varies depending on the amount of UV rays.
It is a lens that changes.
The degree of dimming varies depending on weather conditions and temperature.
The lenses are darkest when the temperature is low and UV rays are strong.
Fly Slammer is an old standard biker shade style.
It is finished in just the right size and the decorative rivets with a feather motif add a finishing touch to the eyes.
Box size: 51□21-145
UV protection rate: 99%