Neon Sigma parolini "CR-39" is an abbreviation of

"CR-39" is an abbreviation of Columbia Resin 39

This means that they will block out 80%+ of light

- Frame Color: Black- Lens Color: Dark grey- 1 Year Warranty

- Frame Color: Yellow Tortoise- Lens Color: Blue- 1 Year Warranty

- Frame Color: Yellow Tortoise- Lens Color: Clear- 1 Year Warranty

Neon Sigma parolini "CR-39" is an abbreviation ofNeon Sigma Square shape. Frame Color: Neon orange Lens Color: Dark grey 1 Year Warranty Technical Information: Hand PolishedWidth Nose Gap Height Measurements of this pair: 145 24 40 mmHinge: Five barrel Lenses Technology: CR 39 Lenses. CR 39 is made by polymerization of diethyleneglycol bis allylcarbonate (ADC) in presence of diisopropyl peroxydicarbonate (IPP) initiator."CR 39" is an abbreviation of Columbia Resin 39. CR3 9 has the highest Abbe