High Quality Acetate coupled with internal metal to increase durability
Red lenses block 100% of the blue and green light.
Please do not wear these while driving - you will not be able to see the green "GO" signal.
Yellow lenses block 90% of the blue light.
Clear lenses block 30% of the blue light.
Blue reflective coating adds extra protection from blue light.
Matte Black or Transparent.
Comes in 0 +1.25 and +2.00 magnification.