High Quality organic CR-39 lenses that block 100% of the Blue Light under 410nm and 45% of the Blue Light on the 410nm - 450nm spectrum.
Super light TR-90 frames for excellent comfort
Flexible hinges & temples that will adapt to any face shape
Rubberized texture for a better grip on your nose and ears

Use the original cleaning cloth in order to clean fingerprints, dust, and other imperfections.
If additional cleaning is required, use a PH neutral soap with lukewarm water. Avoid alcohol and solvents.
Avoid the use of abrasive products and unclean cloths, as these can alter the characteristics of the lenses.
Use only original accessories and replacement parts.
Remember to keep your Barner glasses in their original case, in a dry place with a temperature between -20°C and 40°C.